This document discusses the pronouns of address "T" and "V" and how their usage varies across languages and cultures based on dimensions of power and solidarity. It analyzes how these pronouns are used to reflect social hierarchies and relationships. Specifically: 1) Historically, "T" was used informally while "V" was formal, with "T" denoting solidarity between equals and "V" showing deference to superiors. 2) Surveys found patterns like using "T" with family but "V" with teachers/bosses, and these norms communicate social status and power dynamics. 3) The choice of pronoun can also express transient attitudes beyond social norms, like contempt