What part of speech is attention?

"Attention" can be several parts of speech, depending on how it's used in a sentence:

* Noun: This is the most common use. It refers to the act of focusing mental energy on something.

* Verb: It can be used as a verb meaning "to pay attention to" or "to focus on."

* Interjection: It can be used as an exclamation to get someone's attention.

Here are some examples:

* Noun: "Please pay attention to the instructions."

* Verb: "The teacher attentioned the students to the board."

* Interjection: "Attention everyone! Please gather around."