What does show up in a track?

How the body was being used?
Where does a track begin?
————– ————— ————— ————— ————— ————— ————– ————— ————– ————— ————— ————— ————— ————— ————– —————

Concept Illustrated: Movement of a body part … a claw tip
The idea: What was the last little bit of the body that influenced the track? What does that last little bit have to tell? One limitation to interpreting the story accurately are the tracker’s preconceptions: for example the movements of each part involved. So, how do they move?
————– ————— ————— ————— ————— ————— ————– —————