* Noun: When referring to the act of moving from one state to another, or the process of changing.
* *Example:* "The transition from high school to college can be challenging."
* Adjective: When describing something that is related to a change or movement.
* *Example:* "The transition period was filled with uncertainty."
* Verb: (Less common) To move from one state to another or change from one form to another.
* *Example:* "The company is transitioning to a new business model."
To determine the correct part of speech, you need to look at the context in which it is used.