* Noun: This is the most common use. It refers to the act of choosing or the thing chosen.
* Example: "She had a difficult choice to make."
* Verb: It can also be a verb meaning "to select" or "to prefer."
* Example: "I chose the red dress."
* Adjective: Less common, but it can be an adjective meaning "selected" or "preferred."
* Example: "He was the choice candidate."
To determine the part of speech, you need to look at the context of the sentence.