Speed

The top speed number is the ideal launch speed (in mph) of the disc. Thrown flat at this speed, the disc will hold the line. The bottom speed number is the distance in feet the disc will fly when optimally thrown.

Fade

At a speed of 20% less than the ideal speed, this is the flight angle of the disc. In this case, at 48 mph, the disc will be flying 24 degrees left. (assuming a RHBH).

Turn

At a speed of 20% more than the ideal speed, this is the flight angle of the disc. In this case, at 72 mph, the disc will be flying 2 degrees right. (assuming a RHBH).