What is a synonym for the word theme?

Here are some synonyms for "theme", depending on the context:

General synonyms:

* Topic

* Subject

* Idea

* Concept

* Motif

* Message

* Central idea

* Main point

* Focus

* Premise

Synonyms specific to literature or music:

* Leitmotif (a recurring theme in music)

* Motive

* Idea

* Concept

* Thesis

* Dominant idea

Synonyms specific to design:

* Style

* Design element

* Recurring element

* Design motif

* Pattern

The best synonym to use will depend on the specific context of the word "theme."