This course paper explores the dimensions of meaning in Semasiology as a branch of Lexicology. It covers different types of meaning such as denotative and connotative, theories of meaning including referential, conceptual, and functional, as well as semantic relationships like synonyms, antonyms, polysemy, and homonyms. The paper also delves into branches of Semasiology such as lexical semantics and phraseological semasiology, focusing on idioms and fixed expressions.