Question

What is a monologue?

the author’s most important ideas in a poem, a short story, or a play
a long address given by a character in a story, movie, or play
a speech in a movie or play that a character gives to themselves when alone on screen or stage
the main character’s words that are intended only for the audience

Answer 1

I think it’s no.3 « a speech in a movie or play that a character gives to themselves when alone on screen or stage »