Definitions from Wiktionary (theme)

▸ noun:  A subject, now especially of a talk or an artistic piece; a topic.
▸ noun:  A recurring idea; a motif.
▸ noun:  A concept with multiple instantiations.
▸ noun:  Any of various colors, or color palettes, in which a design is offered; (graphical user interface) any of various skins for an app, affecting the visuals and perhaps other elements such as sound effects.
▸ noun:  (dated) An essay written for school.
▸ noun:  (music) The main melody of a piece of music, especially one that is the source of variations.
▸ noun:  (film, television, video games) A song, or a snippet of a song, that identifies a film, a TV program, a character, etc. by playing at the appropriate time.
▸ noun:  (crosswording) An additional puzzle within the crossword, typically involving a set of non-standard clues or answers.
▸ noun:  (grammar) The stem of a word.
▸ noun:  (linguistics) Thematic relation of a noun phrase to a verb.
▸ noun:  (linguistics) Theta role in generative grammar and government and binding theory.
▸ noun:  (linguistics) Topic, what is generally being talked about.
▸ noun:  A regional unit of organisation in the Byzantine empire.
▸ verb:  (transitive) To give a theme to.
▸ verb:  (computing, transitive) To apply a theme to; to change the visual appearance and/or layout of (software).
▸ Also see theme

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▸ Idioms related to themes
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▸ Popular adjectives describing themes
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▸ Rhymes of themes

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