So, we've got Combat (sub attack/defense), support, and command, which would seem to make up the "battlefield" zone, as well as in hand, and discard/graveyard. What I am wondering is why some cards include command in battlefield, but others do not? Specifically, I've had "while on battlefield" abilities that sometimes do and sometimes do not work for characters in command, and seen my command pod obliterated with everything else when a card effect kills all characters on battlefield.
It is inconsistant, card-by-card, and difficult to predict.
Can anyone lend some help and understanding here? Is there something I am missing?