Use a light or dark appearance on your Mac — by Apple Support

Describes how to warm the screen colours at night using Night Shift in Displays settings. You can schedule it, keep it on until tomorrow or adjust the colour temperature.

An overview of the Displays settings pane, where you control resolution, brightness and other display options. Some options appear only when an external display is connected.

Apple's reference for key combinations that replace mouse or trackpad actions on a Mac. It notes that apps can define their own shortcuts, so one may not work everywhere.