Sharing a bit of playwriting philosophy.
This is a paradigm, akin to the four humours of the body in some vague ways, but I call it Aspects of Plays. Even comes with a handy acronym--PACT. Simply put I believe (or more accurately I personally perceive) plays having four major Aspects, one of which is nearly always primary. One can get into which is secondary, etc. if you really want to but I'm focusing on just the Primary.
Also, a playwright often develops more than just one, many giving almost identical attention to more than one Aspect, sometimes all four.