theme

US /θiːm/
UK /θiːm/
"theme" picture
1.

the subject of a talk, a piece of writing, a person's thoughts, or an exhibition; a topic

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The main theme of the novel is love and loss.
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The conference's theme this year is sustainable development.
:
topicsubjectmotifleitmotifidea
2.

a melody that is repeated and developed in a piece of music

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The composer introduced a new theme in the second movement.
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The movie's opening theme is instantly recognizable.
:
melodytunemotifair
3.

a set of colors, styles, or images used in a particular design or context

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The wedding had a rustic theme with natural decorations.
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You can customize your phone with different visual themes.
:
designstylemotifscheme
1.

to give a particular theme to (a place, event, or piece of work)

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They decided to theme the party around the 1980s.
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The restaurant is themed like a tropical island.
:
decoratedesignstylemotif
:
theme park