This document discusses various linguistic concepts related to word meaning and relationships between words. It defines terms like lexeme, connotation, sense relations, synonymy, polysemy, homonymy, and antonymy. For each term it provides examples to illustrate the concept. Synonymy refers to words with similar meanings, while antonymy refers to words with opposite meanings. Polysemy is when a single word has multiple meanings. Homonymy is when different words have the same pronunciation or spelling. The document explores different types of each relationship in detail.