In this episode Glenn and Mike talk about theme, setting, genre, fluff, whatever you want to call the none-gameplay background parts of a game.  Both how it integrates with designing games and then in the later half of the podcast a little about why skirmish games have such a limited range of topics.  Glenn and Mike are the developer and designer respectively of games such as Gaslands, Gaslands: Refuelled and A Billion Suns and here they talk about how, why and sometimes if to design tabletop miniatures games with discussions, tips, reviews and interviews.
Check out Man O' Kent Games here: https://www.manokentgames.com
Check out Planet Smasher Games here: http://planetsmasher.games
Take a look at the podcast as a video on YouTube: Rule of Carnage - YouTube