To tell, rehearse, or recite, as a story; to relate the particulars of; to go through with in detail, as an incident or transaction; to give an account of.

to give an oral or written account of; to tell a story.

narrate or give a detailed account of; "Tell what happened"; "The father told a story to his child"

provide commentary for a film, for example

This is a communication command that allows the user to send a long descriptive item of text, voice or graphics.