YouTube Glossary

Since AI has become more prevalent (and much more realistic), YouTube requires creators to disclose when a video contains realistic AI-generated or AI-altered content that a viewer could mistake for real footage. The rule targets deception, so writing a script with AI, generating a thumbnail, or using a generic text-to-speech voice doesn’t require a label.

Audience retention tells YouTube whether people actually watched a video. It’s one of the strongest signals YouTube uses when deciding whether a video should get recommended. Audience retention is the percentage of a video that the average viewer stays for. Average view duration (AVD) is the same underlying data expressed in minutes instead of percentage. Both feed directly into how much YouTube recommends a video.

An impression is counted every time a thumbnail is shown to a viewer. CTR (click-through rate) is the percentage of those impressions that turn into a click. Together, they answer two different questions: whether YouTube is showing the video to viewers and whether the packaging of the video is convincing people to click.

When YouTube Shorts just launched, it didn’t earn ad revenue at all. Back then, creators were paid from a fixed monthly bonus pool. That system, the Shorts Fund, ended in 2023 and was replaced by an ad revenue share that’s still how Shorts make money today. The two models work completely differently, and a lot of creator advice still accounts for the old one.

"Made for Kids" is a mandatory YouTube Studio setting for content aimed at children. It disables personalized ads, comments, notifications, and several other features, and it's a major reason child-directed channels post lower RPM than other niches. It exists because of COPPA, the US law that restricts collecting personal data from children under 13, and it changes a lot more than just a label; it changes what a video can do.

A Community Guidelines strike is issued by YouTube, which is what differentiates it from a copyright strike. Most first violations result in a warning.

A copyright strike is issued when a rights holder files a legal removal request and YouTube validates it. It’s a different mechanism entirely from a Content ID claim, and the two are often confused.

Content ID is YouTube’s automated copyright-matching system. Every video uploaded to the platform is scanned against a reference database of audio, video, and image files submitted by rights holders, and a match generates a Content ID claim. A Content ID claim is not a copyright strike, and confusing the two is the single biggest source of creator panic on this topic.

The Community Tab, which was officially renamed to “Posts” in YouTube Studio in early 2025 (still “Community” on the viewer end, though), is a social-feed feature on YouTube channels. Creators use it to share short-form updates between uploads: polls, text, images, GIFs, quizzes, and shared videos that land directly in subscribers’ feeds without requiring a new video upload.

A YouTube handle is a channel’s unique @username, introduced in October 2022. It’s now the primary way channels are identified, linked, and mentioned across the platform, replacing the older custom-URL system.