Learn to split a slot’s theme, format, and features. Theme means setting....

https://wiki-aero.win/index.php/Why_%E2%80%9CCheck_the_Rules%E2%80%9D_Is_Not_a_Cop-Out_in_Casino_Writing

Learn to split a slot’s theme, format, and features. Theme means setting. Format means how play works. Features name rules like cluster pays or Megaways