It's like the word "deluxe" - every business will have a different definition of what that means. Some ladies it might mean cim or Greek, others it might mean simply bbbj v cbj, or bare things more nefarious.
If a girl is good, she gets popular. Fully booked. So she moves up to vip, looses the poorer clients and still makes money.
Sometimes it’s purely good service. Sometimes it’s looks. So I’m wary, still check reviews.