K frist of all my lane condition/stats.

House shot
synthitic lanes with medium oil

I throw a about 15 mph with 150RPM's I already have a thing returns for pin above ring awesome lay out i threw my frist 700 with it the other day im only 17 and have only started bowling 9 mts ago and i adverage 198 196 193 in my 3 leagues Can some one please expain things like a "5X4" pattern i have no clue what that is and ill never know unless some one tells me. Id really appriciate it guys and gals. and if any one hase like a good pattern for the thing returns something diffrent then the pin above ring please tell me thx.