1. "is primarily the linguistic, and also philosophical, study of meaning, in language, programming languages, formal logics, and semiotics. It focuses on the relationship between signifiers—like words, phrases, signs, and symbols—and what they stand for, their denotation."
2. "The branch of linguistics and logic concerned with meaning. The two main areas are logical semantics, concerned with matters such as sense and reference and presupposition and implication, and lexical semantics, concerned with the analysis of word meanings and relations between them."
https://en.wikipedia.org/wiki/Semantics (1.); https://en.oxforddictionaries.com/definition/semantics (2.)
Author: Charly Krüger