What the author calls "objects" (or "classes") is really often just "interfaces". > An Object is a set of functions that operate upon implied data elements If

What the author calls "objects" (or "classes") is really often just "interfaces". > An Object is a set of functions that operate upon implied data elements If this is replaced with: > An Interface is a set of functions, often operate upon implied some implied data elements (but not necessary). Everything in the article will probably be less confusing.