Then you're right oad. As it says unless specified otherwise it doesn't need to be wholly within. I can provide several examples one being aura abilities saying within, take the Archon's for example. Then compare that to Big Mek Buzgob who's aura forcefield ability is "wholly" within.
Pain is the only universal constant. Pain is all. It is the key to creation and destruction both. Thus does he who masters pain become a god.