A recurring theme.
A melodic theme associated with a particular character, place, thing or idea in an opera.
A recurring theme; a motif.
A story or set of stories relevant to or having a significant truth or meaning for a particular culture, religion, society, or other group; a myth, a mythology.
A set of assumptions or beliefs about something.
Anything transmitted by word of mouth, such as a fable, legend, narrative, story, or tale (especially a poetic tale).