The document provides an overview of semantics from a course at the Department of English Language and Literature. It defines semantics as the study of meaning in language. It states that the main purpose of semantics is to construct a theory of meaning - a precisely specified framework that can describe basic facts about meaning in languages. It notes that semantic theory aims to discover patterns in how individual words and sentences have meaning, and make generalizations about whole classes of items. Finally, it comments that semantics continues to develop through discussion, and modern semanticists have techniques not available in the past to further the field.