For the purposes of this Act, but without limiting the operation of this Act:
(a) an assembly is in relation to protected premises if persons in the assembly are on protected premises, or are at a place in the vicinity of protected premises by reason of the fact that that place is in the vicinity of those protected premises; and
(b) an assembly is in relation to a protected person if persons in the assembly are at a place by reason of the fact that a protected person is present at or in the vicinity of that place.