When it comes to the word "theme", there are various closely related synonyms that you can use in different contexts. A theme typically refers to a central idea or topic that is explored through artistic expression such as literature, music or drama. Alternatives for theme include concept, subject, idea, motif, and topic. A concept can be a more abstract notion that is explored in a variety of ways. A subject may be a more specific topic that is being studied such as a historical event or scientific concept. A motif often refers to a recurring element that can help to develop and enhance a theme. Finally, a topic can be a general area of discussion that is explored in an artistic form or through written work.