fótica
Fática, in linguistics, refers to the phatic function of language, whose primary purpose is to establish, maintain, or terminate social contact rather than to convey substantive information. It focuses on the act of communication itself and the relationship between speakers, rather than on the content of what is being said.
The term is closely associated with Roman Jakobson and his model of the six functions of language:
Common examples include greetings, questions about well-being, turn-taking cues, and phrases that keep a conversation going
In discourse analysis, fática is seen as a social lubricant that helps manage relationships, reduce potential