This document provides an introduction to key concepts in media language and film editing. It defines and discusses various elements of editing including shot order, continuity, transitions, shot duration/pace and rhythm, and special effects. Specific techniques are explained such as establishing shots, the 180 degree rule, shot/reverse shot, eyeline match, and match on action. The meaning and effects of different transitions like fades, dissolves and wipes are also covered. The document emphasizes that editing controls what information is revealed to both characters and the audience.