Person deixis refers to the linguistic expressions that indicate the participants in a conversation. It typically involves pronouns like I, you, and they, which help clarify who is speaking, who is being addressed, and who is being talked about. This aspect of language is essential for understanding the roles of different individuals in communication. In addition to pronouns, person deixis can also include other expressions that specify the speaker's perspective. For example, terms like my or your indicate possession and further define the relationship between the speaker and the listener. Overall, person deixis plays a crucial role in establishing context and meaning in dialogue.