• The Axes steer the Inference Engine
• The Inference Engine steers the Tools
• Inference Locking puts the Tools on rails
SketchUp Training Series: Inferencing
SketchUp Training Series: Inference Locking
Inferencing in SketchUp 2016 and Newer
SketchUp Skill Builder: Down Arrow Key
Injecting Accuracy Into Your Model - Aidan Chopra