* Verbs are words that describe actions or states of being (e.g., run, jump, think, be).
* Pronouns are words that replace nouns (e.g., he, she, it, they).
* Determiners are words that specify which noun is being referred to (e.g., a, an, the, this, that, these, those, my, your, his, her, its, our, their).
In the phrase "a verb," "a" tells us we are talking about one specific verb.