This document provides an introduction to semantics from a linguistic perspective. It defines semantics as the study of meaning, including different types of meaning, signs and symbols. It discusses related concepts like sense, which can refer to a speaker's intended meaning or the linguistic meaning, and polysemy, where some words can have multiple meanings. It also mentions synonymy, where some words can have the same meaning. The document aims to give an overview of semantics and its key areas of focus from a linguistic point of view.