Content

Thumbnail

The still image representing a video before it is played. On YouTube the thumbnail and title work as a pair and are the single biggest lever on click-through rate. Test faces, contrast and three or four words maximum.

YouTube

Where this is taught

9YouTube & Long-Form Video
Titles, thumbnails, packaging and watch time — how long-form works, and when it beats short-form.

Related terms

AMA (ask me anything)

A Reddit format where someone opens a thread and answers questions live. Run badly it becomes a PR disaster in public;…

Alt text

A short written description of an image for screen reader users, entered in advanced settings on most platforms. Descr…

Aspect ratio

The shape of your frame, expressed width to height. 9:16 is full-screen vertical for short video, 4:5 is the tallest f…

B-roll

Supplementary footage cut over the main shot: hands working, the product close up, the street outside. It hides edits,…

Board

A themed collection where Pins are saved on Pinterest. Boards tell the system what a Pin is about, so name them in pla…

Caption

The written text accompanying a post. It gives context, carries the call to action and is read by the platform's own u…

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