It is a semi-transparent layer that is invisible to the user unless activated by clicking an icon on the Dock, moving the cursor into a preassigned hot corner, or pressing a hot key, which can be set to the user's preference.
It is a semi-transparent layer. This semi-transparent layer is invisible to the user unless activated by clicking an icon on the Dock, moving the cursor into a preassigned hot corner, or pressing a hot key. A hot key can be set to the user's preference.