the vast three-layered world —

these three worlds —

three types of āthmās [nithya (eternally free), muktha (liberated), badhdha (bound) souls] —

world with three classifications —

three types of worlds such as kruthaka, akruthaka and kruthākruthaka —

three worlds —

three types of subservient chith (sentient beings) and achith (insentient objects) —

 residents of all three worlds —

 residents of the three worlds —