The Secondaries menu allows you to create and track geometries to isolate objects or areas within the shot, and create keys to isolate ranges of colour. You are then able to use logical operations to link geometries across secondaries. The following is a breakdown of the Secondaries menu.
(a) Geometry panel (b) HLS and Diamond Keyer panel (c) Secondary Layers panel (d) Shape and Point Tracker panel (e) Presets panel