* Demonstrative pronoun: This is the most common usage, referring to a specific person, place, or thing that has already been mentioned or is clearly understood. Examples: "That is my car," "I like that color," "Let's go to that store."
* Relative pronoun: "That" can introduce a relative clause, providing additional information about a noun. Examples: "The book that I read was interesting," "The woman that I met is a doctor."
* Conjunctive pronoun: "That" can connect two sentences, acting as a conjunction. Examples: "I know that he is coming," "It is important that you listen."
So, the specific pronoun type of "that" depends on the sentence structure and meaning.