if something releases something else then that something is the source of that something else
electricity is not source_of_power. change is when_one_thing_becomes_another_thing. source_materials is source. nature is not awsome_power. another_way_to_say_separates_things is not divides_objects. space is not what_between_else. directions_to_get_somewhere is not how_to_thing. source_materials is not source. change is not when_one_thing_becomes_another_thing. another_way_to_say_separates_things is divides_objects.