The Pitch Circle Diameter consists of 2 numbers, the number of bolt / nut holes x the diameter of the (imaginary) circle that can be drawn through the center of the holes.
The offset is the distance between the centerline of the wheel and the mounting face of the wheel.
The center bore indicates the size of the center circle of the hub of the rim.
Find the PCD, hub diameter, offset, tightening torque, etc. by the make and model of your car.
Find which cars have a specific PCD and center bore.