An abstract class is a template definition of methods and variables in a specific class, or category of objects. In programming, objects are units of code, and each object is made into a generic class ...

Eric McRay, a professional artist teaching at the Cary Arts Center, talks about his class and what abstract means.

I truly enjoy the "abstract" sculptures on Broadway. Ms. Harrison in her April 18 letter wanted the sculptures less abstract so everyone would know what the sculptures meant. Does she not understand ...