Charts work off of Poundage, Cam Type, Arrow length and Point weight, (Bracing Height and any overdraw are also a consideration) cam type indicates how fast the bow is basically, Usually Medium or Hard (Hard Being a Fast Bow). Still Confused
. Do you know the specs of your bow speed wise? this should give you an idea of cam type to use.
WRT arrows the Axis FMJ is a Good Value for money arrow, you can get a dozen made up for around £85, they do have the disadvantage of being very heavy so longest distances can be difficult for some people.