NLA (Non-Linear Animation) Editor
The NLA Editor works similar to a video editor: you can load “strips,” mix them together, layer them, and make them longer or shorter. However, instead of videos, you’ll be using animations.
You can load actions you saved in the Action Editor (a mode of the Dope Sheet, as described previously in this chapter) and mix them to build a larger animation. Later, you’ll use this editor to take the walk cycle you’re going to create in a moment and repeat it constantly. This means that instead of animating Jim taking 10 steps, you just need a cycle of 2 steps (one for each leg) and, with the NLA Editor, you can repeat that action as long as necessary.
Imagine that you had another action with Jim running. With Shift + ...