* Noun: This is the most common usage, referring to the act of giving something and receiving something else in return.
* Example: "The student made an exchange for a different book."
* Verb: This refers to the act of giving something in return for something else.
* Example: "They exchanged gifts for the holidays."
* Adjective: This is less common, but it can be used to describe something that is given in return for something else.
* Example: "The exchange rate for the dollar is fluctuating."
To determine the part of speech, consider its role in the sentence and how it functions.