 We shall classify accounts according two parameters. Firstly, we distinguish between normative and descriptive accounts. Normative accounts rely on the existence of norms or normative relations that are essential to assertoric practice. Descriptive accounts don’t. Secondly, we distinguish between content-directed and hearer-directed accounts. Content-directed accounts focus on the relation between the speaker and the content of the proposition asserted, while hearer-directed accounts focus on the relations between speaker and hearer. Some theories have both normative and descriptive components. The entry is structured as follows