- when creating zing processes ... - typically you will want to subclass a Zing/Process derived class ... - however, there are times when you don't need/want to dedicate a class

- the zang namespace is reserved for ready-to-use callback-based zing processes - these ready-to-use classes simply stand-in as shoehorns so that you don't need ... - to create your own dedicated class to leverage the functionality

- zing-zang is simple a Zing/Process - it provides on_perform() and on_receive() handlers