We assume that our source lies in a two-dimensional plane.

Although the stages are rendered in three dimensions, players can only move on a two-dimensional plane.

Although the game is based on a two-dimensional plane, some of its courses are designed with three layers accessible by changing lanes.

Go up a dimen-sion, and any three points can be located on a two-dimensional plane.

Levels are visualised in full 3D although the players can only move in one two-dimensional plane.

The primary means for defining a substance is by its molecular structure as represented on a two-dimensional plane.

All levels are played on a two-dimensional plane, letting Kirby move only left, right, up, and down.

The player controls an aircraft on a two-dimensional plane.

This technique works great on the two-dimensional plane, but when trying to create a three-dimensional network, they are limited.

She's learning to find a three-dimensional world in a two-dimensional plane.