Computer Mouse Anatomy: Parts and Functions Explained #2233289 (License: Personal Use)

This annotated illustration identifies seven critical components of a modern ergonomic computer mouse: (1) left primary button, (2) scroll wheel with tilt capability, (3) right primary button, (4) scroll wheel up/down motion, (5) scroll wheel click/press function, (6) side thumb button for backward/forward navigation, and (7) optical sensor window. The dashed line indicates the internal separation between top shell and base housing, highlighting where the optical sensor tracks movement on surfaces.

Used in tech education articles, hardware guides, troubleshooting pages, or beginner tutorials to help users understand mouse anatomy and operation; matches user intent for learning, repair, or purchasing decisions.