Meaning of theme
Definition of theme
(noun)
the subject matter of a conversation or discussion; "he didn't want to discuss that subject"; "it was a very sensitive topic"; "his letters were always on the theme of love"
a unifying idea that is a recurrent element in literary or artistic work; "it was the usual `boy gets girl' theme"
(music) melodic subject of a musical composition; "the theme is announced in the first measures"; "the accompanist picked up the idea and elaborated it"