What do you mean by 2 dimensional?
Two-dimensional things are flat — they can be measured in length and width, but they have no depth. ... You can also use this mathematical adjective to mean "superficial," or "shallow." A bad guy in a movie might be described as a two-dimensional character, for example, since he seems to have "no depth."
What is the meaning of dimensionality?
1. A measure of spatial extent, especially width, height, or length. 2. often dimensions Extent or magnitude; scope: a problem of alarming dimensions.