Short-press
To "short-press" a Control Center remote button simply find the button you'd like to use, and then quickly tap that button a single time.
Long-press
To "long press" a Control Center remote button simply find the button you'd like to use, and then press down and hold the button for 2 seconds.
Double-press
To double-press a Control Center remote button simply find the button you'd like to use, and then tap that button twice.