trope
Noun
[change]- Something which is common in popular culture or in a type of literature, such as ‘once upon a time’ is the first lline of a story
- A figure of speech in which words or phrases are used with a special meaning, like a metaphor
- (music) A short section at the end of the melody in some early music.
- (music) A phrase or verse added to the mass when sung by a choir.