For the HIT all of the rules needs to be TRUE in the HIT itself. So only
visits where ALL the rules are met in SAME HIT will be picked up. For
the VISIT all the rules needs to be TRUE during the VISIT lifetime so
one or more HIT can contain one or more rule to be TRUE. i.e : RULE 1
evar1 = 123AND RULE2 evar 2 =123ANDRULE 3 evar3 = 123 VISIT 1HIT1
evar1=234,evar2=123,evar3=123HIT2 evar1=aaa,evar2=aaa,evar3=aaaHIT3
evar1=123,evar2=aaa,evar3=aaa VISIT 2HIT1
evar1=123,evar2=123,evar3=123HIT2 evar1=a...