Glossary
Ad creative glossary
Plain-English definitions of the performance-creative terms that come up when you run ads at volume.
Creative Fatigue
Creative fatigue is the decline in an ad's performance that occurs when a target audience sees the same creative too many times. As frequency rises, click-through and conversion rates fall while cost-per-result climbs. The fix is refreshing or rotating in new creative variations before metrics deteriorate, rather than after.
Meta Advantage+ Creative
Meta Advantage+ creative is a set of automated enhancements and optimizations Meta applies to ads across Facebook and Instagram. It can adjust visuals, generate variations, apply templates, and dynamically combine creative elements per viewer, using machine learning to serve the version most likely to perform for each person.
Performance Max (PMax) Assets
Performance Max assets are the creative inputs (images, headlines, descriptions, logos, videos) advertisers upload into a Google asset group. PMax automatically mixes and matches them to build ads across Search, Display, YouTube, Gmail, Discover, and Maps, serving the combinations its machine learning predicts will convert for each query and user.
Hook Rate
Hook rate measures how effectively an ad captures attention in its first moments, typically defined as the percentage of viewers who watch the first ~3 seconds of a video relative to total impressions. A high hook rate means the opening stops the scroll; a low one signals the creative fails before its message ever lands.
Creative Volume / Creative Supply
Creative volume (or creative supply) is the quantity and variety of distinct ad creatives a team can produce and feed into the ad platforms over a given period. As automated buying systems like Meta Advantage+ and Google PMax do more of the targeting and optimization, the breadth of creative input has become a primary lever on performance.
Dynamic Creative Optimization (DCO)
Dynamic creative optimization (DCO) is the automated assembly and serving of ad creative from modular components (images, headlines, CTAs, offers) so each viewer sees a combination tailored to their context. Rather than running fixed pre-built ads, DCO systems mix elements in real time and concentrate delivery on the highest-performing permutations.
UGC-Style Ads
UGC-style ads are creatives designed to look like authentic user-generated content (casual selfies, unpolished phone footage, real-person testimonials) rather than glossy brand production. The raw, native aesthetic blends into social feeds, which often improves attention and trust and lifts performance on platforms like Instagram and TikTok.
Thumb-Stop Ratio
Thumb-stop ratio measures how well a creative stops the scroll: the share of viewers who pause on or engage with an ad relative to those it reaches. For video it often equals the 3-second-view rate; for static images it reflects the proportion that arrests attention long enough to register the message instead of being scrolled past.