Event Planning Terms: A Glossary of 40 Measurement Definitions

Event planning terms cause disputes when finance and marketing use the same word for two different numbers. This event glossary defines 40 measurement terms in five groups: revenue and cost, attribution, forecasting, audience, and sponsorship. Each entry gives a short definition, the source system, and how finance reads the term.

Why do finance and marketing define the same event terms differently?

Because they answer for different things. Finance answers for a number that reconciles to the ledger and survives an audit: cash received in a period, net of every reduction. Marketing answers for whether the spend produced demand: gross value at the moment of commitment, credited to the activity that caused it.

Neither is wrong. The trouble starts when both numbers reach a board without a bridge between them, or when a trend is quoted across years in which the definition quietly changed.

Three conventions make this glossary usable. Record a version and an effective date on every definition. State the source system on every report. When a definition changes, publish the old figure beside the new one for one cycle. Who owns each definition is part of event data management.

Which revenue and cost terms does finance read differently?

Revenue and cost terms
TermDefinitionSourceFinance reading
1. Gross registration revenueList value of all registrations recorded, before any reductionRegistration platformNot a finance figure. Risky when quoted as event revenue
2. Net registration revenueGross less discounts, refunds, cancellations, and feesRegistration and payment systemsClose to finance's figure, without period timing
3. Recognized revenueRevenue recorded in the general ledger for the fiscal periodGeneral ledgerThe only thing finance means by "revenue"
4. Deferred revenueMoney received for an event not yet held, carried as a liabilityGeneral ledgerWhy a strong registration month can be absent from revenue
5. Non-dues revenueAn association's revenue other than membership duesGeneral ledgerEvents are usually its largest part
6. Direct costCost incurred only because a specific event ranGeneral ledgerTest: does it disappear if the event is cancelled?
7. Shared costCost supporting several events: staff time, technology, overheadLedger and allocation ruleWrite the allocation rule and hold it fixed
8. Contribution marginRevenue less direct cost, before shared costDerivedTests whether the event covers its own cost. It is not profit
9. Fully loaded marginContribution margin less allocated shared costDerivedClosest to event profit. The number for the board
10. Revenue per attendeeTotal event revenue divided by attendeesDerivedNot comparable between organizations. Trend your own
11. Cost per attendeeTotal event cost divided by attendeesDerivedFinance means fully loaded, marketing usually direct. State which
Net registration revenue = Gross registration revenue − Discounts − Refunds − Cancellations − Processor fees
Fully loaded margin = Contribution margin − (Shared cost pool × Event allocation weight)

What do sourced, influenced, and the other attribution terms mean?

Attribution terms
TermDefinitionSourceFinance reading
12. SourcedPipeline or revenue where the event created the opportunity, with no qualified relationship before itCRM, marketing automationAccepted. The dispute is what counts as a prior relationship
13. InfluencedPipeline or revenue touched by the event inside the attribution window, without being created by itCRM, marketing automationDiscounted, because several channels can claim one deal
14. First-touch attributionAll credit to the earliest qualifying touchMarketing automationIgnores what converted the person
15. Last-touch attributionAll credit to the final qualifying touch before conversionMarketing automationFlatters whatever ran most recently
16. Multi-touch attributionCredit split across qualifying touches by a stated rule, such as linearMarketing automation, CRMAcceptable if the rule is written and unchanged
17. Attribution windowThe period before a conversion in which a touch may claim creditA written ruleRegistration and closed-won revenue need separate windows
18. Event-influenced dealA closed-won deal with at least one event touch recorded in the CRMCRMNo field means absent, which differs from low
19. Cost per registrationMarketing spend divided by registrations, blended and paidSpend ledger, registration platformBlended hides a failing channel. Report both
20. Cost per qualified meetingEvent cost divided by meetings that met a qualification ruleCRM or booking toolFix the rule before the event
Sourced pipeline = Sum of opportunity value where the first qualifying touch is an event touch
Influenced pipeline = Sum of opportunity value where an event touch falls inside the attribution window
Paid cost per registration = Paid media spend ÷ Registrations attributed to paid media

Last-touch credit distorts events, because registration arrives late and the last campaign collects the credit. The Maritz Registration Insights Report analysed more than 360,000 registration records across 30 trade shows and found that in 2023, 45% of registrants signed up in the final 4 weeks before the event (PCMA Convene). Those are registration records from trade shows, not a survey and not association conferences, so check your own curve. The models are compared on the event marketing attribution page.

Which forecasting terms belong in an event glossary?

Forecasting terms
TermDefinitionSourceFinance reading
21. Registration pacingCumulative registrations to date against the same point in a prior cycleRegistration platformOnly as good as the reference cycle
22. Pacing curveCumulative registrations by weeks out, as a share of the final totalRegistration historyAn old curve reads a late cycle as failure
23. Show rateShare of registrations that attendedCheck-in dataDrives catering commitments, so optimism costs money
24. No-show rateOne minus show rateCheck-in dataDiffers between paid and free registrations
25. Confidence rangeThe interval around a forecast, published before the outcomeForecasting methodCommitments are made against the lower bound
26. Absolute percentage errorThe size of a forecast miss, without directionDerivedMeasure it at fixed weeks-out marks
27. Forecast biasThe direction of error across repeated forecastsDerivedSteady over-forecasting produces recurring budget variances
Pacing index = Registrations at T weeks out ÷ Registrations at T weeks out in the reference cycle
Absolute percentage error = |Actual − Forecast| ÷ Actual
Forecast bias = Mean of (Forecast − Actual) ÷ Actual, across events

Rebuild the curve from recent cycles before you trust a pacing index. See the registration forecast page for the method and the attendance rate page for show rate.

How do registration, attendee, and the other audience terms differ?

Audience terms
TermDefinitionSourceFinance reading
28. RegistrationA recorded sign-up: paid, comped, or cancelled, unless your definition excludes someRegistration platformFinance means a paid registration
29. AttendeeA registration that was present, on a stated presence testCheck-in or session platformFor virtual, state a minimum duration, or a 30-second join counts
30. Unique attendeeDistinct people who attended, after deduplication across systemsDerivedLower than the attendee count. Document the match method
31. Comped registrationA registration issued at no charge: speakers, board, press, staff, sponsorsRegistration platformA real cost carried at zero revenue
32. Attendee retention rateShare of one cycle's attendees who attend the nextRegistration historyA forward indicator for next year's revenue
33. First-time attendee rateShare of attendees with no prior attendance on recordRegistration historyInflated when returning people are not recognized
34. Attendee lifetime valueExpected net value of an attendee over a stated horizon, discountedRegistration, finance, membership dataFinance checks the discount rate and survival assumption first
Comp ratio = Comped registrations ÷ Total registrations
Attendee retention rate = Attendees present in both cycle N and cycle N+1 ÷ Attendees in cycle N
Attendee LTV = Sum over years of (Annual net revenue per attendee × Survival probability) ÷ (1 + Discount rate)^year

Terms 28 and 29 are the usual cause of two attendance numbers in one organization. Term 32 has its own page on attendee retention.

Which sponsorship terms need a written definition?

Sponsorship terms
TermDefinitionSourceFinance reading
35. Sponsorship revenueContracted sponsorship and exhibit sales value for the eventCRM and ledgerFinance means recognized revenue, net of unfulfilled deliverables
36. Sell-through rateShare of available inventory sold, by value or by unitInventory recordsThe unit version alone hides discount erosion
37. Rebooking rateShare of sponsors or exhibitors who commit to the next cycle, by count, space, or revenueSales recordsFinance means the revenue version. Name yours
38. Sponsor ROIThe sponsor's return against the sponsor's own objectiveThe sponsor's CRMReport what you can evidence. The pipeline figure belongs to the sponsor
39. ActivationA sponsor-funded program element beyond a booth or logoContract and participation dataRecord who took part in which activation
40. Scanned leadA badge scan captured by a sponsor or exhibitor deviceLead retrieval systemProximity and consent to scan. Delivery, never an outcome

Example: one annual meeting, described twice

Take an association annual meeting with one list price of $800. Marketing and finance each report it accurately, in their own vocabulary. All figures are hypothetical, and sponsorship is left out to keep the bridge short.

Hypothetical annual meeting in two reports
Marketing's reportFigureFinance's reportFigure
Registrations recorded2,140Paid registrations1,839
Gross registration revenue (2,140 × $800)$1,712,000Recognized revenue$1,398,000
Attributed revenue, last touch, 30-day window (1,860 × $800)$1,488,000Direct cost$1,041,000
Paid cost per registration ($84,000 ÷ 400)$210Allocated shared cost$214,000
Influenced pipeline$4,300,000Fully loaded margin$143,000
Comp ratio (236 ÷ 2,140)11.0%

Both reports are internally consistent. The bridge between the revenue figures:

Hypothetical bridge from gross to recognized revenue
LineAmount
Gross registration revenue$1,712,000
Less comps carried at list value (236 × $800)−$188,800
Less refunds and cancellations (65 × $800)−$52,000
Less discounts below list−$40,200
Less payment processor fees−$29,000
Less revenue deferred to the next fiscal period−$4,000
Recognized revenue$1,398,000

The $314,000 gap is 18% of gross, and none of it is error. It is comps at list value, cancellations, discounting, fees, and one deferral, each traceable to a source record.

Attributed revenue of $1,488,000 exceeds recognized revenue by $90,000. It credits 1,860 registrations at list price, more than the 1,839 that paid. Attribute net revenue, or state the basis on the report.

Registrations and paid registrations differ by 301: 236 comped badges and 65 cancellations. Marketing's 2,140 is correct for reach, and finance's 1,839 for revenue. The attendance number should be neither, because it should count attendees.

Influenced pipeline of $4.3 million has no counterpart in finance's column. It is a marketing-owned forward indicator, and placing it beside recognized revenue invites a comparison it cannot survive.

What to do this quarter

  • Pick the ten terms that appear in your board reporting and write your own definition of each, with a version number and effective date.
  • Name the system of record and one accountable person for each.
  • Find the three terms where marketing and finance disagree and publish a bridge between the two figures.
  • State separate attribution windows for registrations and for closed-won revenue.
  • Add a presence test to your attendee definition, with a virtual duration threshold.

Common questions

Which definition should we use when the two functions disagree?

Both, with a bridge between them, for anything reaching a board. Where a single figure is required, such as an annual report, use the finance definition, because it has to survive scrutiny.

Are these figures comparable between organizations?

Very few, and none of the margin or per-attendee figures. Cost bases, revenue scope, and staff-time treatment differ too much. Build your own trend on a fixed definition over three years.

How many of these event planning terms do we need?

Fewer than 40. Most organizations can run on about twelve: net registration revenue, recognized revenue, direct cost, fully loaded margin, registration count, attendee count, comp ratio, show rate, cost per registration, sourced pipeline, influenced pipeline, and one retention figure.

Where EventIQ fits

EventIQ replaces nothing. It connects on top of the platforms you already run: event platforms (Cvent, Zoom, Swapcard), CRM (Salesforce, HubSpot, GoHighLevel), and marketing (Google Ads, Meta Ads, LinkedIn Ads, Mailchimp, Google Analytics). Platforms with an API outside that list are connected on request.

Several terms here rest on records the product holds. Registrations from Cvent carry their date, ticket type, and price where the platform provides them, plus a check-in mark, so registration and attendance stay separate counts and show rate is a division you run on them yourself. Zoom brings attendance and time in session per participant, not registrants per webinar. Salesforce deals arrive with stage, amount, and close date, linked to an event through a campaign relationship that a person confirms. Attendees are matched to CRM contacts by exact email, and the result (matched, unmatched, no email) stays on each record.

The finance column is outside the product. None of the 12 connected platforms is a general ledger, so recognized revenue, deferred revenue, and cost allocation stay in your books. ROI in EventIQ is arithmetic on the budget and revenue target you enter. Marketing spend is entered by your team or imported from CSV, because the ad platforms bring campaign name and status only.

EventIQ does not calculate cost per registration, and it does not merge one person across sources, so a unique attendee count is yours to produce. There is no multi-touch attribution, and the model picker in the product does not change the calculation yet. Classifying a deal as sourced or influenced is your rule to apply, and the definition register stays in your own documents.

Book a demo to see registrations, check-ins, and confirmed deal links as separate records on a sample event, in a 20-minute demo.

EventIQ replaces nothing. Keep your registration platform, CRM, and marketing tools. EventIQ connects on top of what you already run.