Learn in the textbookGUI Screen Controls, Menus, and Auxiliary Displays
DefinitionThe help feature (ヘルプ機能) explains how to use software and what its terms mean, so users can solve problems on their own when they get stuck.
ExplanationThe typical way to use it is to call it up from the Help menu or a dedicated key, then look up and read the topic you need. Explanations put into electronic form so users can read them directly while using the software are called online help (オンラインヘルプ).
AnalogyIt is like an appliance that keeps its instruction manual inside the machine, ready to consult the moment you run into trouble.
Memory hookIn many Windows applications the F1 key opens help. Let your fingers remember it: stuck, press F1.