Barcodes and 2D barcodes a.k.a. 2D codes

Traditional animation

Something with two dimensions, e.g. height and width

2D (Gorillaz), a fictional member of the virtual band Gorillaz

2D computer graphics, the computer-based generation of images using mostly two-dimensional models 2 dimension

Two Dickinson Street Co-op, a student dining cooperative at Princeton University

2D geometric model