This document discusses the micro and macro functions of language. It outlines seven micro functions: physiological, phatic, recording, identifying, reasoning, communicating, and pleasure functions. The physiological function releases physical and nervous energy through expressions like curse words. The phatic function facilitates sociability in communications like greeting letters. The four macro functions are ideational, interpersonal, poetic, and textual. The ideational function involves conceptual thinking, while the interpersonal function emphasizes language as a social tool to project the speaker. The poetic function manipulates language creatively, and the textual function creates cohesive and coherent long-form writing or speech. In conclusion, these are one perspective on language functions, and other approaches may identify different functions or names