Dabs or wax is basically just a golden, thick, sticky wax. Kind of resembles honey except it cost 60$ for 1 gram. You break of a little piece, or a big piece, and you heat up the bubbler/rig with a torch until it's red hot. Then you simply place the wax in the red hot bowl and inhale.
Margin Rate. Margin rate has multiple financial meanings. The margin rate is the interest charged by a broker or agent for buying securities on margin (purchasing securities with borrowed money). The margin rate is a fee above and beyond a broker's call rate. A margin rate can vary and is dependent on a margin customer's account balance.
Prime Rate This can be defined as the rate charged by banks to their most credit worthy customers for loans. The term on its own is generic but in the States, it primarily refers to the Wall Street Journal Prime Rate.