Puck

A puck may refer to any of the following:

1. A puck is a computer input device containing glass or magnified glass with a crosshair, allowing users to accurately trace an object or perform precision drawing. These devices are commonly used in graphic design and CAD (Computer-Aided Design).

2. Puck is slang describing the round mouse that was included with the original Apple iMac.

Apple terms, CAD, Computer slang, Pointing device, Trackball