The main difference is that corn starch is a very pure starch, while wheat flour has a high protein content. There are some differences in texture and flavor, but these mostly result from how you work with them.
The term isometric comes from the Greek for equal measure, reflecting that the scale along each axis of the projection is the same (unlike some other forms of graphical projection).
Medical Definition of isometric. 1  1: of, relating to, or characterized by equality of measure; especially : relating to or being a crystallographic system characterized by three equal axes at right angles.