A patch point is an internal routing path used to route audio from a track output, bus output, or send to an audio track input. The virtual inputs can then be input monitored or recorded. You can think of patch points as virtual patch cables. To streamline the workflow for patch points, Cakewalk supports Aux tracks. Aux tracks are used to receive audio from other tracks, buses, or sends.  Stereo buses are traditionally used for sub-grouping and effect sends, but it is possible to use Aux tr