Touchscreen kiosks use pointer focus (finger as pointer) and an on-screen key top (virtual keyboard). Registration ensures that when you tap the "P" key top, the system registers the pointer’s focus at that exact XY coordinate and delivers the key event to the active text field.
to open the Task Manager if the cursor becomes unresponsive. Releasing Focus
The phrase is not jargon—it is a flowchart. The pointer identifies the where , focus establishes the target , the key top provides the force , and registration confirms the action .