This document discusses the difference between competence and performance in language. Competence refers to the underlying knowledge of a language system, while performance is the actual production or comprehension of a language. It then provides a formula for writing language competences, with examples. The formula states that a competence should include an action verb, an object, a context, and an activity. Sample competences are given following this formula, such as "Uses and applies communication as a mean to express thoughts, feelings and emotions in and out of his/her school and family community when presenting an oral speech." The document concludes with lists of action verbs and topics that can be used to write additional language competences.