For the sake of simplicity we describe a two-dimensional (planar) version.

It is essentially a two-dimensional version of Nim.

We have a two-dimensional version of this now, which we call a "quiet time."

One could make a two-dimensional version of this by means of the complex plane.

The lens' circular aperture is analogous to a two-dimensional version of the single-slit experiment.

In the face of that, factual television has increasingly become a two-dimensional version of our world where everything is amplified and distorted.

A two-dimensional version of the same software was developed concurrently.

A year later, they also demonstrated the two-dimensional version.

Bryan watches my progress through a TV monitor next to the computer, which displays a two-dimensional version of what I'm seeing.

Claudia refuses and unexpectedly casts a spell that turns the head fairy into a paper-thin, two-dimensional version of herself.