Acceleration – A feature that speeds up cursor movement as you accelerate you hand movement.
Ambidextrous – A mouse designed to be used by either hand. Normally symmetrically with buttons at the same place on both sides.
Claw grip – A mouse grip characterized by arching the fingers (resembling a claw) to grip the mouse, with the base of the palm touching the rear for stability.
DPI (Dot Per Inch) – A measure of sensitivity, or how little you have to move you mouse to move your on screen cursor.
Ergonomic – A mouse shaped for a specific hand. Generally only has buttons on one side.
Fingertip Grip – A mouse grip characterized by low hand to mouse contact. Only the fingertips touch the mouse.
Lift-Off Distance – The height the mouse can be lifted and continue to accurately track movement.
Macro – A macro is a script of commands, clicks or keystrokes that can be set to run by pressing one button.
Palm Grip – A mouse grip characterized by high hand to mouse contact, with the entire palm resting along the rear of the mouse.
Polling rate – The number of times per second the mouse sends information to the computer.
Prediction/Angle Snapping – A feature that auto-corrects jerky mouse movements into straight lines. This is generally unwanted.