There is very little "howto" involved in compound names themselves.  All you have to do is use a "+" in the name, and you're using compound names.

In general, we do not recommend requiring butterflies (casual site visitors) or eagles (content editors) to understand the core concepts of compound names.  Most visitors shouldn't have to know what a "card" is, much less how to structure its name.  

Compound names become powerful when you start using them in patterned ways.  To do so, you will need to learn about structure.