This could have been represented in a yo-dawg meme. i gave it some time, but that's not a good site. it takes forever to explain simple things and never gets

This could have been represented in a yo-dawg meme. i gave it some time, but that's not a good site. it takes forever to explain simple things and never gets to any important and novel idea. i gave up when it turned out that it's just a tree of state machines - for some reason called a 'chart' despite not apparently having any chart-like property. ugh. it's just a doodling exercise for architecture astronauts. OMG it actually, unironically references UML and has Statechart XML! flipping the bit on this one