Noun. coachmark (plural coachmarks) (graphical user interface) A highlight or underline etc. indicating part of the user interface, to aid the user in learning how to use the system.
What is a coach mark?
Coach marks are temporary messages that educate users through new or unfamiliar product experiences. They can be chained into a sequence to form a tour.
What is a Coachmark UI?
Coachmarks represent multiple help call-outs that appear on a transparent overlay. By using text and often arrows and images, they point to and explain the functionality of the user interface.