Deixis: Person, Place, Time, Social, and Discourse

Deixis (derived from a Greek word meaning "to point") is a fundamental concept in pragmatics that deals with words that have no fixed meaning outside of a specific context. These words are like empty containers; they are filled with meaning only when we know who is speaking, where they are, and when the conversation is happening. The speaker is always considered the "deictic center" (the zero point), and everything is measured from their perspective.

There are five major types of deixis. Person deixis involves pronouns like "I," "you," and "they," which constantly shift depending on who holds the floor in a conversation.
Place deixis involves words like "here" and "there," indicating distance from the speaker.
Time deixis involves words like "now," "then," and "tomorrow," which are anchored to the exact moment the speaker opens their mouth.
Social deixis involves the words we use to establish social distance or respect, such as choosing to call someone "Doctor," "Sir," or simply by their first name.
Discourse deixis refers to words that point backward or forward within the conversation or text itself, such as saying "As I mentioned in the previous paragraph."