This document provides information about introducing oneself in English, including definitions, videos, expressions, examples, and exercises. It begins with the competency standards and learning objectives for a grade X senior high school English lesson on self-introductions. It defines introducing oneself as an important part of interaction and knowing others. Videos demonstrate self-introductions, followed by common expressions used. Examples are given using videos, audio, dialogues, and texts of people introducing themselves. Exercises have students answer questions to introduce a friend and present their introduction to the class.