* Noun: This is the most common usage. It refers to the central idea or topic of a piece of writing, discussion, film, etc.
* Example: The theme of the book is the importance of family.
* Adjective: In this case, it describes something related to a particular theme.
* Example: The restaurant had a theme night with a Parisian menu.
* Verb: This is a less common usage, meaning to create or develop a theme.
* Example: The artist themed his paintings around the natural world.
To determine the correct part of speech, you need to look at how the word is used in the specific sentence.