Semiotics is the study of symbols and sign systems, including language and visual communication. Synonyms for semiotics, or semi-ology, include semasiology, semantology, and signology. These terms all relate to the analysis of the meaning of signs, symbols, and gestures. Semantology refers specifically to the study of meaning in language, whereas signology includes the study of all types of signs, including visual and nonverbal communication. Semasiology is a less commonly used synonym, but it specifically refers to the study of the meanings of words and phrases. Whether studying language, symbols, or signs, the study of semi-ology provides insight into the ways in which communication influences our thoughts and behaviors.