Here a link that might help better understand the concept.
https://exodegame.com/wiki/doku.php?id=game-overview.
You buy a starter pack with a different origin (Military, Scientist, Political) and utilize cards that are compatible with your origin type to have a better chance of surviving in the game! It is currently in early alpha and any play throughs are on a test server. Hope this helped!
Thanks for tagging me @shinyobjects