The document discusses the origins and key figures in the development of semiotics. It introduces Ferdinand de Saussure, Charles Sanders Peirce, and Roland Barthes as originators who made important contributions. Saussure founded modern linguistics and introduced the concepts of langue and parole. Peirce began writing about semiotics in the 1860s and defined it as involving signs, their objects, and interpretants. He described semiosis as the triadic relationship between these. The document also provides definitions and examples of how semiotics is used in literary analysis to study symbols and their meanings.