Jargon
Jargon is specialized language or a set of expressions used by a particular professional, social, or age group. Jargon differs from standard language in its distinctive features and often includes slang, technical terms, or neologisms. It helps facilitate communication within the group while also distinguishing the group from the rest of society.
In psychology, the study of jargon is important for understanding social groups and their interactions within wider society. Jargon can help form and maintain group identity and a sense of solidarity among members. At the same time, the use of jargon can create barriers to communication with outsiders, which may be either positive (protecting information from outsiders) or negative (creating social alienation).
One example of jargon is computer slang, which may be understood by IT professionals but not by people outside the field.