I am stunned that no-one has described that properties are sure methods of a descriptor class, Adam Donohue and NeilenMarais get at particularly this concept in their posts -- that getters and setters are features and can be employed to: The query is "precisely what is the real difference...", but https://share.evernote.com/note/3d05d401-bf05-0356-8ef1-7f062145b888