Glossary
The words and acronyms you'll hear across modern marketing - social, paid, influencer, creative, search and measurement - defined in plain English. 78 terms and growing.
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- Vertical video aspect ratio (1080×1920). The native format for Reels, TikTok, Shorts and Stories.
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Affiliate
- A partner paid on performance — typically a share of revenue or a flat fee per sale — via a tracked link or discount code.
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Algorithm
- The ranking system a social platform uses to decide which content each user sees, in what order. Modern algorithms weigh watch time, saves, shares, dwell time and recency far more than likes or follower count.
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Always-On
- A continuous, evergreen marketing approach — as opposed to campaign bursts. Standard for performance channels and increasingly for organic social.
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Attribution
- The methodology used to credit a sale or sign-up to the marketing touchpoints that drove it. Common models: last-click, first-click, linear, data-driven, and MMM.
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B-Roll
- Supplemental footage cut over a main shot or voiceover to add context or pacing. The currency of fast-turnaround social edits.
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Backlink
- A hyperlink from another site to yours. Still one of the strongest ranking signals in classical SEO, and a growing one in LLM source-selection.
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Bid Strategy
- The rule that tells an ad auction how much you’re willing to pay for a result. Examples: Maximise Conversions, Target CPA, Target ROAS, Manual CPC.
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Bounce Rate
- The share of sessions where a user left without interacting beyond the landing page. In GA4 replaced by Engagement Rate, which is more useful.
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Brand Lift
- The measured change in awareness, consideration or favourability caused by a campaign — usually via a control/exposed survey study.
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CAC
CAC - Customer Acquisition Cost. Total sales and marketing spend in a period, divided by the number of new customers acquired.
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Canonical Tag
- An HTML tag that tells search engines the preferred URL when the same content appears at multiple addresses. Prevents duplicate-content dilution.
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Cohort Analysis
- Grouping users by a shared characteristic (sign-up week, acquisition channel) and comparing their behaviour over time. The honest way to read retention.
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Community Management
- The day-to-day work of responding to comments, DMs and mentions on a brand’s social channels. Done well, it lifts reach (the algorithm rewards engaged posts) and turns audiences into customers.
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Concept
- The single, articulable idea behind a piece of content. If you can’t say it in a sentence, it isn’t one yet.
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Content Pillar
- A recurring theme or format a brand publishes against — for example ‘behind the scenes’, ‘product education’, ‘founder POV’. Pillars give a feed coherence and make planning faster.
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Conversion API
CAPI - A server-to-server method (notably Meta’s Conversions API) of sending conversion events directly to an ad platform, bypassing browser-based tracking. Largely replaces the cookie-based pixel post-iOS 14.5.
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Conversion Rate
CVR - The percentage of sessions or users that complete a defined goal — purchase, sign-up, lead form.
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Core Web Vitals
- Google’s set of page-experience metrics — LCP (loading), INP (interactivity) and CLS (visual stability) — that feed into search ranking.
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CPA
CPA - Cost Per Acquisition. The blended ad spend needed to win one paying customer or qualified lead.
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CPC
CPC - Cost Per Click. What you pay each time someone clicks your ad. The base unit for most search and many social campaigns.
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CPM
CPM - Cost Per Mille. The cost to serve 1,000 impressions. Used to compare reach efficiency across channels and creatives.
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Creator
- Anyone producing content for an audience on a social or video platform. The preferred term over ‘influencer’ in most professional contexts since around 2022.
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Creator Economy
- The ecosystem of independent creators, the platforms that monetise them and the brands that partner with them. Estimated at over $250B globally in 2025.
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CTR
CTR - Click-Through Rate. Clicks divided by impressions, as a percentage. A primary indicator of how relevant a creative is to its audience.
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DM
DM - Direct Message. A private one-to-one or group conversation on a social platform. Increasingly the primary commerce surface on Instagram, TikTok and X.
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DSP
DSP - Demand-Side Platform. Software (e.g. DV360, The Trade Desk) that buys programmatic display, video and CTV inventory across thousands of publishers in real time.
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E-E-A-T
E-E-A-T - Experience, Expertise, Authoritativeness, Trustworthiness. Google’s quality framework for evaluating content — particularly important for health, finance and legal topics.
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Engagement Rate
ER - Total interactions (likes, comments, shares, saves) divided by reach or followers, expressed as a percentage. The standard health metric for organic social content.
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Featured Snippet
- A boxed answer that appears above the standard search results, pulled from a ranking page. Position zero. A direct precursor to today’s AI Overviews.
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Feed
- The personalised, scrollable stream of content a user sees when they open a social app. Distinct from Stories, Reels or DMs.
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Frequency
- The average number of times each unique user has seen an ad in a given window. Past 3-4 in a week, response typically plateaus and then drops.
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FTC Disclosure
- US Federal Trade Commission requirement that creators clearly label paid partnerships using #ad, #sponsored or the platform’s native paid-partnership tool. The UK equivalent is governed by the ASA.
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Funnel
- A model of the customer journey from awareness through purchase to retention. A simplification, but a useful shared vocabulary across teams.
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GA4
GA4 - Google Analytics 4. Google’s event-based, cross-platform analytics product. Replaced Universal Analytics in July 2023.
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GEO
GEO - Generative Engine Optimisation. The practice of optimising content for retrieval and citation by large language models (ChatGPT, Perplexity, Claude, Gemini) — distinct from classical SEO.
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Gifting
- Sending product to a creator with no contractual obligation to post. Cheap, scalable, and the standard top-of-funnel tactic for product brands.
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GTM
GTM - Go-To-Market. The plan for how a product or brand will reach its customers — covering positioning, pricing, channels and sales motion. (Not to be confused with Google Tag Manager, same acronym.)
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Hashtag
- A keyword prefixed with # that groups posts on the same topic. Less important than it once was for discovery — most platforms now rely on on-image and on-caption signals instead.
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Hook
- The first 1-3 seconds of a video or the first line of a caption. On short-form video, hook strength predicts watch-through more than any other variable.
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ICP
ICP - Ideal Customer Profile. A precise description of the type of company or person most likely to become — and stay — a high-value customer.
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Incrementality Test
- A controlled experiment (geo holdout, ghost bidding, conversion lift) that measures the conversions a channel actually caused, not the ones it merely touched.
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Jobs to Be Done
JTBD - A research framework that defines products by the underlying job customers ‘hire’ them to do, rather than by features or demographics.
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Keyword Intent
- The job a user is trying to do with a query. Usually grouped as informational, navigational, commercial or transactional. Drives both content choice and bidding.
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Long-Tail Keyword
- A specific, low-volume search phrase — typically 4+ words. Lower competition, higher intent, and the natural format of LLM prompts.
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Lookalike Audience
- An audience modelled by a platform to resemble a seed list (e.g. your top customers). The default cold-prospecting audience on Meta, TikTok and LinkedIn.
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LTV
LTV - Lifetime Value. The total gross profit a customer generates over their relationship with the brand. Compared to CAC to gauge unit economics.
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Macro Influencer
- A creator with roughly 100K–1M followers. Wider reach than micro, narrower than celebrity tier.
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MER
MER - Marketing Efficiency Ratio. Total revenue divided by total marketing spend. The blended, attribution-agnostic North Star metric for many DTC brands.
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Meta Description
- The ~155-character page summary that often appears under the title in search results. Doesn’t affect ranking directly but heavily affects CTR.
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Micro Influencer
- A creator with roughly 10K–100K followers. Usually delivers the strongest engagement rates and the best cost-per-engagement on partnership campaigns.
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MMM
MMM - Marketing Mix Modelling. A statistical, top-down approach to measuring channel contribution using aggregated historical data. Resurgent post-cookie deprecation.
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Modular Creative
- A production approach where one shoot produces dozens of cuts and variants for different platforms, audiences and tests — instead of one finished asset.
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Nano Influencer
- A creator with under 10K followers. Used in high volumes for hyper-targeted local or category niches.
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PAA
PAA - People Also Ask. The expanding list of related questions Google shows on a results page. A useful map of related queries to address in content.
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Paid Partnership Tag
- Platform-native labelling (e.g. Instagram’s ‘Paid partnership with…’ tag) that discloses commercial relationships and unlocks brand-side reporting.
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Pixel
- A small piece of JavaScript placed on a website to send user behaviour back to an ad platform. Increasingly paired with server-side tracking via Conversions API.
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Positioning
- The specific place a brand occupies in a customer’s mind relative to alternatives. The single most leveraged decision in marketing.
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Programmatic
- Automated, auction-based buying of digital ad inventory in real time. Covers display, video, audio, CTV and digital out-of-home.
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Reach
- The number of unique accounts that saw a piece of content at least once. Distinct from impressions, which counts total views including repeats.
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Reels
- Meta’s short-form vertical video format on Instagram and Facebook. The single biggest driver of organic reach on Meta platforms since 2022.
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Retargeting
- Showing ads specifically to people who’ve already interacted with your brand — site visitors, video viewers, cart abandoners. Sometimes called remarketing.
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ROAS
ROAS - Return On Ad Spend. Revenue generated divided by ad spend, usually expressed as a ratio (e.g. 4.2x). The most-used profitability metric in performance marketing.
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Save
- When a user bookmarks a post for later. One of the strongest positive ranking signals in the Instagram and TikTok algorithms.
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Schema Markup
- Structured data (typically JSON-LD) added to a page so search engines and LLMs can parse entities — products, articles, FAQs, definitions — unambiguously.
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SERP
SERP - Search Engine Results Page. The page returned for a given query, now usually containing AI Overviews, ads, organic listings, PAA boxes and more.
- Short-lived (usually 24-hour) vertical content that appears at the top of a social app. Used for low-stakes, high-frequency posting.
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Storyboard
- A scene-by-scene visual plan for a video, used to align brand, agency and production before the shoot.
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Tone of Voice
TOV - The documented way a brand sounds in writing — vocabulary, sentence shape, point of view, what it does and doesn’t say.
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UGC
UGC - User-Generated Content. Posts, videos or reviews created by customers or fans rather than the brand. Often outperforms brand-made content in paid placements.
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Usage Rights
- The contractual permissions a brand secures to reuse a creator’s content in paid ads, OOH, email or web. Almost always negotiated separately from the original post fee.
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UTM Parameter
- Tags appended to a URL (utm_source, utm_medium, utm_campaign…) so analytics tools can attribute the click to a specific source.
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View-Through Conversion
VTC - A conversion attributed to an ad the user saw but did not click. Important for video and display, controversial in attribution debates.
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Whitelisting
- When a creator grants a brand permission to run paid ads from the creator’s own handle. Often called ‘Spark Ads’ on TikTok or ‘Partnership Ads’ on Meta.
Social Listening