Explainer video
An explainer video is a short or long-form video whose primary job is to define a topic, walk through a list, or teach a process. On YouTube, explainers range from animated corporate explainers to multi-hour community deep dives.
Icebergs as explainers[edit]
YouTube iceberg videos are a specialised explainer pattern: the script follows the tiers of an iceberg chart. Neighbouring formats include listicles-on-video, "things you didn't notice," and lost media roundups within Commentary YouTube.
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An explanation can be organized around a question, a sequence of steps, a chronology or a set of categories. The iceberg variant uses chart depth as its organizing device. This supplies an order of presentation, but the explanation still needs to identify each label and explain its connection to the subject.
On YouTube, chapters divide a video into labelled sections with previews. Manual chapters use timestamps and titles in the description; the platform's documentation specifies a start at 00:00, at least three timestamps in ascending order and a minimum section length of ten seconds. These are platform requirements for that navigation feature, not requirements for the explainer genre as a whole.[1]
Captions and transcripts[edit]
Captions represent spoken content in timed text. YouTube documents several production methods, including uploading a caption file, synchronizing a transcript and typing captions manually. Caption files can also represent relevant non-speech sounds. This makes the explanation accessible in a different form from its narration alone.[2]
Captions, transcripts and source lists are related but not interchangeable. A transcript records the explanation; a source list identifies material used to support it. Neither the presence of captions nor a polished visual presentation establishes the accuracy of the underlying claims. For an iceberg explainer in particular, the explanation of a rumour and evidence confirming that rumour remain separate matters.