Display of Plug-In Window StatusIn the Mix and Edit window, the plug-in button and selector display the currently inserted plug-in, its bypass state (see Bypassing Plug-Ins), focus status, and window status.
For most control surfaces, only one plug-in can be focused at a time. ICON worksurfaces can have up to four plug-ins focused at once (using the EQ and Dynamics controls, and Custom Faders on your worksurface).The current controller focus, if any, is indicated with a color outline around its name: