Revenue Engineering seriesVersion 1.0

The Revenue Engineering Lexicon

One reference for every term, formula and threshold in the Revenue Engineering Doctrine, the Saudi Scale Playbook and the Beneath Marketing essays. Each definition is one quotable sentence, with its exact source.

How to read a term's status

  • Canon37Defined in the Doctrine or the Playbook, and linked to the exact passage.
  • Related concept16An idea from outside the series that the essays use, credited to its originators.
  • Proposed2A new term not yet in the Doctrine or the Playbook; a proposed rule.

Try the Branch Gate on your numbers

A–Z index

55 terms

B

  • Bench ratio

    نسبة المديرين الجاهزين

    Ready-now managers ÷ openings approved for the next two quarters. Below 1, openings wait for people, not sites.

    Expansion

  • Branch payback

    فترة استرداد الفرع

    Months a branch needs to return its capital: capex ÷ net monthly contribution.

    Economics

  • Branch Satiety Curve

    نقطة التشبّع

    The marginal value of each extra branch in a trade area; where it crosses zero, a new branch moves revenue instead of creating it.

    Expansion

  • Brand equity

    قيمة العلامة

    The difference in how people respond to the same marketing when they know the brand. From Kevin Lane Keller (1993).

    Demand & BrandRelated concept

  • Bridges Strategy™

    استراتيجية الجسور

    Reaching new demand through an asset the group already owns, at a fraction of standard CAC: data, channel, location or partnership.

    Channels

C

  • CAC payback

    استرداد تكلفة جلب العميل

    Months a new customer takes to repay their fully loaded acquisition cost. Default: ≤ 6 consumer, ≤ 12 trade.

    Economics

  • Cannibalization rate

    نسبة المبيعات المنقولة

    The share of a new unit's sales that would otherwise have happened at the group's existing units.

    Expansion

  • Capital Efficiency Ratio (CER)

    نسبة كفاءة رأس المال

    Year-on-year gross-profit increase ÷ commercial capital invested. Doctrine floor: 1.5x.

    Economics

  • Category entry points (CEPs)

    نقاط الدخول إلى الفئة

    The moments that trigger a need for the category, each a separate door to memory. From the Ehrenberg-Bass Institute.

    Demand & BrandRelated concept

  • Central kitchen break-even

    نقطة تعادل المطبخ المركزي

    n* = fixed monthly cost ÷ net saving per branch. Build only on committed branches, with payback ≤ 30 months.

    Economics

  • Channel contribution

    مساهمة القناة

    What an order leaves after commission, brand-funded discounts, packaging, payment fees and channel labour.

    Channels

  • Channel floor test

    اختبار الحد الأدنى للقناة

    An order type is acceptable only when commission + discount + payment and packaging ≤ gross margin − the group floor.

    Channels

  • City score

    درجة المدينة

    Weight-your-own ranking of candidate cities on six factors scored 1–5, for a site study and demand test, not a signature.

    Expansion

  • Commercial envelope

    صناديق الميزانية التجارية

    The starting split of commercial capital: 40% acquisition, 30% capacity and replication, 20% retention, 10% experimentation.

    Governance

  • Commission headroom

    سقف العمولة

    Gross margin minus the group floor minus payment and packaging: the points left for everything a platform deducts.

    ChannelsProposed

  • Constraint

    القيد

    The slowest station in a line, which sets the speed of the whole line. From Eliyahu Goldratt's The Goal (1984).

    ExpansionRelated concept

  • Contribution margin

    هامش المساهمة

    Branch revenue minus goods, branch labour, rent and channel commissions, as a share of revenue, before group overhead.

    Economics

D

  • Demand ownership ratio

    نسبة الطلبات المباشرة

    Repeat orders through channels the group owns ÷ all repeat orders, over the last 90 days.

    ChannelsProposed

  • Distinctive brand assets

    الأصول المميّزة

    Colours, shapes, characters and sounds that signal a brand without its name. From Jenni Romaniuk.

    Demand & BrandRelated concept

E

  • Exit rule

    قاعدة الخروج

    A mature branch with negative contribution after rent for two consecutive quarters goes to a fix-or-exit review.

    Governance

F

  • False growth

    النمو الوهمي

    Revenue growth with falling gross profit per riyal, or with CAC rising faster than revenue.

    Economics

  • Franchisee payback

    استرداد صاحب الامتياز

    Capex ÷ (net monthly contribution − royalties − fees); it must pass the same payback bands as an owned branch.

    Expansion

  • Fully loaded CAC

    تكلفة جلب العميل الكاملة

    All acquisition cost, including salaries, agency fees, tools and brand-funded promotions, ÷ new customers acquired.

    Economics

G

  • G&A dilution factor

    نسبة نمو المقر إلى نمو المبيعات

    G&A growth ÷ revenue growth. Above 1, head office grows faster than the business: freeze it until it falls below 1.

    Governance

  • Geographic Replication Index (GRI)

    مؤشر التكرار الجغرافي

    Median of new-branch margin ÷ reference-cohort margin at the same age. 1.0 means branch 30 earns like branch 3.

    Expansion

H

  • Holdout group

    مجموعة المقارنة

    Comparable units deliberately left without the offer, so its effect shows as the gap between the two groups.

    ChannelsRelated concept

I

  • Incrementality

    الأثر الإضافي

    The part of a result that would not have happened without the action, read against a holdout group.

    ChannelsRelated concept

J

  • Jobs to be done (JTBD)

    المهمة المطلوب إنجازها

    People “hire” a product to get a job done in a circumstance. From Clayton Christensen and colleagues (2016).

    Demand & BrandRelated concept

L

  • Lever plan

    خطة الروافع

    The written rent, capex or format changes required to sign a site or build a kitchen whose payback is 18–30 months.

    Expansion

  • Little's Law

    قانون ليتل

    People in a queue = arrival rate × time each spends in it. Proved by John Little (1961).

    ExpansionRelated concept

  • LTV : CAC ratio

    قيمة العميل مقابل تكلفة جلبه

    Customer lifetime value against fully loaded CAC. Doctrine default: 3 : 1 minimum, 4 : 1 to scale.

    Economics

M

  • Mental accounting

    المحاسبة الذهنية

    People keep separate accounts in their heads and judge the deal as well as the item. From Richard Thaler (1985).

    ChannelsRelated concept

  • Mental availability

    الحضور الذهني

    The likelihood that a brand comes to mind in a buying situation. From Byron Sharp and the Ehrenberg-Bass Institute.

    Demand & BrandRelated concept

  • Messy middle

    مرحلة التردد

    The loop of exploring and evaluating between first thought and purchase. From Google and The Behavioural Architects (2020).

    Demand & BrandRelated concept

N

  • Net monthly contribution

    صافي المساهمة الشهرية

    What a branch contributes each month after the sales it takes from sister branches: Revenue × CM × (1 − cannibalization).

    Economics

  • Next-riyal rule

    قاعدة الريال التالي

    Every use of commercial capital on one page, ranked by return and payback, funded top-down until threshold or cash runs out.

    Governance

  • “Not yet”

    «ليس الآن»

    The verdict for a site or project that fails a gate or the payback threshold: a decision, not a delay.

    Governance

O

  • Occasion segmentation

    التقسيم بالمناسبة

    Segmenting a market by the job a customer came to get done, not by age, gender or income.

    Demand & BrandRelated concept

  • Opening gate

    بوابة الافتتاح

    Four tests before signing a site: satiety, payback on Sb, a capacity signal and replication. Any fail: “not yet”.

    Expansion

P

  • Payback threshold

    حد الاسترداد

    The longest branch payback the board accepts. Default: ≤ 18 months healthy, 18–30 stretched, over 30 “not yet”.

    Governance

  • Peak utilization

    الاستغلال في الذروة

    U = D ÷ (V × H), delivery included. At 80% add capacity before any campaign; above 100% stop generating demand.

    Expansion

  • Physical availability

    الحضور المادي

    How easy a brand is to find and buy at the moment of decision. From Byron Sharp and the Ehrenberg-Bass Institute.

    Demand & BrandRelated concept

  • Promotion increment test

    اختبار الأثر الإضافي للعرض

    Fund a promotion only if incremental orders × contribution per order exceed its cost on all promoted orders.

    Channels

  • Proven format

    الطراز المثبت

    A format where ≥ 3 comparable units held contribution within plan for 2 consecutive quarters. Only it gets expansion capital.

    Expansion

  • Psychology of waiting

    نفسية الانتظار

    Why a wait feels longer or shorter than its minutes: unoccupied, uncertain, unexplained or unfair waits feel longer. From David Maister (1985).

    ExpansionRelated concept

R

  • Ramp index

    مؤشر الالتزام بالخطة

    Cumulative actual ÷ cumulative planned contribution to date. Day-90 defaults: ≥ 0.9 on plan, 0.75–0.9 recover, < 0.75 escalate.

    Expansion

  • Reference price

    السعر المرجعي

    The price a customer remembers and judges new prices against. Builds on Kahneman and Tversky's reference point (1979).

    ChannelsRelated concept

  • Return threshold

    عتبة العائد

    The minimum return a riyal must clear for a given use, approved before the money is committed.

    Governance

  • Revenue Engineering

    هندسة الإيرادات

    Designing how a business earns before it spends: unit economics, return thresholds and systems a proven unit can replicate.

    Economics

S

  • Saudization–Automation balance model

    حساب التوظيف أم الأتمتة

    Plans hiring and automation together at each opening wave; automate only if cheaper, service holds and capex pays back.

    Governance

  • Signal purity

    نسبة المؤشرات المفيدة

    Governing metrics ÷ vanity metrics in front of leadership. Below 1, the pack is cut before the meeting.

    Governance

  • Span of control

    نطاق الإشراف

    K, the most branches one area manager runs, set by the group from its best area and reset when the area's GRI falls.

    Governance

  • Stage gates

    بوابات المراحل

    Nine evidence tests across seven expansion stages, from proving the unit to entering the GCC. No stage is funded before its gate.

    Expansion

U

  • Unit

    الوحدة

    The smallest part of a group with its own P&L and capital decision: a branch, a brand in a city, a channel.

    Economics

V

  • Value-based pricing

    التسعير على أساس القيمة

    Pricing from the value to the customer in that moment, not from cost alone. From Hermann Simon and Thomas Nagle.

    ChannelsRelated concept

The series' canonical thresholds

Every value here is stated in the Doctrine or the Playbook exactly as shown, with its source. Doctrine values are default decision rules; Playbook values are defaults to calibrate. Each group writes its own before the year's first commitment.

The series' canonical thresholds
DecisionThreshold and verdictSource
Branch payback bandsDoctrine default
  • ≤ 18 monthsHealthy
  • 18–30 monthsStretched
  • > 30 months, or no payback“Not yet”
Opening gate: payback on SbDoctrine default
  • All four tests pass, ≤ 18 monthsSign
  • 18–30 monthsSign only with a written lever plan (rent, capex or format)
  • Any test fails“Not yet”
Peak utilization (U)Doctrine default
  • At 80%Add capacity or redirect demand before any new campaign
  • Above 100%Demand generation into that branch stops
“Proven” formatDoctrine default
  • ≥ 3 comparable units within the planned contribution range for 2 consecutive quartersEligible for expansion capital; until then, pilot budgets from the experimentation envelope
CAC payback, consumer channelsDoctrine default
  • ≤ 6 monthsWithin the Doctrine default
CAC payback, trade and corporate accountsDoctrine default
  • ≤ 12 monthsWithin the Doctrine default
Marginal CAC ruleDoctrine rule
  • Marginal CAC exceeds what the channel's payback threshold allowsSpend stops rising in that channel, whatever its average looks like
LTV : CACDoctrine default
  • 3 : 1Minimum
  • 4 : 1To scale
Capital Efficiency Ratio (CER)Doctrine default
  • ≥ 1.5xAt or above the floor
  • < 1.5xBuying revenue, not building profit
Brand launchDoctrine rule
  • Break-even month fixed before launchReviewed monthly against it
Commercial envelope (starting split)Doctrine default
  • 40%Acquisition, only into channels that passed their payback threshold
  • 30%Capacity and replication
  • 20%Retention and lifetime value
  • 10%Experimentation
Bridge funding conditionsDoctrine default
  • Bridge CAC < 60% of existing CACRequired
  • Conversion ≥ 80% of baselineRequired
  • Payback within the channel threshold; margin after the bridge above the group floor; trackable and switchableRequired
Bridge scorecard (100 points)Doctrine default
  • 80+Strategic core: fund
  • 60–79Growth bridge: fund gradually
  • 40–59Experimental: capped budget
  • Below 40Close it
Exit rule (mature branch)Doctrine rule
  • Contribution after rent negative for two consecutive quartersFix-or-exit review
Signal purity ratioDoctrine rule
  • Below 1 (more vanity than governing metrics)Cut the pack before the meeting, not after
G&A dilution factorDoctrine rule
  • Above 1Bloat: freeze head-office growth until the factor falls below 1
Gate 6: dilution for two quartersPlaybook default, to calibrate
  • Dilution above 1 for two quartersFreeze head-office hiring until it falls below 1
Channel floor testDoctrine rule
  • Commission % + Discount % + Payment and packaging % ≤ Gross margin % − Group contribution floor %Order acceptable; if it fails: reprice, redesign or stop, never grow
Promotion increment testDoctrine rule
  • Incremental orders × contribution per order > promotion cost across all promoted ordersFund the promotion
Ramp index at day 90Playbook default, to calibrate
  • ≥ 0.9On plan
  • 0.75–0.930-day recovery plan with a named owner
  • < 0.75Escalate; pause same-format openings in the city
Geographic Replication Index (GRI)Playbook default, to calibrate
  • ≥ 0.9Replicate at pace
  • 0.75–0.9Fix what is not travelling before the next wave
  • < 0.75Stop openings in the city
Gate 1: the proven unitPlaybook default, to calibrate
  • Reference cohort's actual paybackWithin 30 months
  • Existing branches at peakAt or above 80% utilization
  • FounderReference units ran a full quarter without him in daily operations
Gate 4: densify, hold or stopPlaybook default, to calibrate
  • Sb > 0 and nearest branches ≥ 80% at peakDensify
  • Sb > 0, no capacity signalHold: grow the existing branches first
  • Sb ≤ 0Stop: the trade area has reached satiety
Bench ratioPlaybook default, to calibrate
  • Ready-now managers ≥ openings approved for the next two quartersThe bench leads the pipeline
  • Below 1The next openings wait for people, not sites
Span of control (K)Playbook rule
  • More than K branches per area manager (K set by the group from its best area)The next openings wait for people, not sites
Central kitchen / warehouse buildPlaybook default, to calibrate
  • Committed branches exceed n* by the group's margin of safety, and payback ≤ 30 months (18 targeted)Build
  • Payback 18–30 monthsBuild only with a lever plan (phased capacity or a leased site)
  • OtherwiseNot yet
City score safeguardsPlaybook default, to calibrate
  • Each factor scored 1–5 (5 favourable); weights total 100Scoring rule
  • Any factor scored 1Knockout: the city leaves this cycle
  • More than a third of the weight rests on assumed inputsRun a demand test before ranking the city
  • Moving any weight by ±10 points swaps the top twoTied: test both
Gate 9: GCC entryPlaybook default, to calibrate
  • Stage 5 passed in at least two Saudi citiesBefore entry
  • Pilot passes Gate 3 and reaches the GRI floor by month 12Expand in that market; otherwise apply the kill criteria written at entry
Franchisee paybackPlaybook rule
  • Capex ÷ (net monthly contribution − royalties − fees)Must pass the branch payback bands
  • GRI below the floorCompany-owned only
Automate-or-hire rulePlaybook rule
  • Plan A costs less than Plan H; peak service time and U hold or improve; automation capex pays back within thresholdAutomate; otherwise hire and invest in the role
The CEO checklist scoreDoctrine default
  • 9–10Engineered
  • 8Sound, with gaps to close
  • 5–7Exposed: scaling now will cost margin
  • 0–4Restructure before you scale

About the Lexicon

The Lexicon is the single registry of the series' terms, so every essay and publication links to one definition. Canon terms come from the Doctrine and the Playbook with their meaning unchanged, related concepts are credited to their originators, and numeric examples are always hypothetical.

To cite the Lexicon: Alhajj, S. (2026). The Revenue Engineering Lexicon, version 1.0. Riyadh. https://seiflden.com/lexicon/