The document discusses various linguistic concepts related to semantics, including denotative and connotative sense relations, paradigmatic and syntagmatic relations, lexical and grammatical meanings, kinds of homonyms, semantic roles of arguments, and valency. It provides examples to illustrate each concept. The key points are that semantics depends on associations between words, sentences are formed from paradigmatic substitution and syntagmatic combination, and valency refers to the number of arguments that accompany a predicate.