Scent Cones : movement of scent away from subject/source -in the shape of a cone.

Shaping : Building new behavior by selectively reinforcing variations in existing behavior, during the action rather than after completion, to increase or strengthen the behavior in a specific manner or direction.

Stimulus : A change in the environment. Dog Training focuses on discriminative stimuli, which causes a change of state in the dog, causing it to perform a specific behavior.