PLAIN-LANGUAGE DEFINITION
Voiceover
Voiceover is spoken audio accompanying visuals without requiring the speaker to be visible.
IN PRACTICE
An example
Narration can explain a pocket while the video shows a close-up of it.
What this does not tell you
The narration should not claim evidence that the footage and product facts do not support.
Use the term precisely
When you use this term in a brief or report, include the relevant source, scope and assumptions. An example explains the concept; it is not a benchmark or a promise of results.