… for Apple Motion
Tip #1612: What Do Red Numbers Mean in Motion?
Red numbers always indicate values set by keyframes.
You are happily creating stuff in Motion when, all of a sudden, red numbers appear. What do they mean?
Red numbers, illustrated in the screen shot, indicate parameter values that have keyframe settings applied.
Most of the time, you created the keyframes and all is good. But, sometimes, Motion creates them without you knowing about it.
Tip #1611 explains how to get rid of them.