The only handles that you cannot hold in your hand are handles for nicknames like people who have CB's in there vehicles.
In computer terms, "handles" that you cannot physically hold in your hand include software constructs like file handles, memory handles, and process handles. These are abstract references used by the operating system or applications to manage resources such as files, memory allocation, or running processes. They facilitate interaction with system resources without exposing the underlying complexity. Essentially, they serve as pointers that allow software to access and manipulate these resources efficiently.
The handles that you cannot hold in your hand are the little squares at the edges and corners of a graphic on the computer screen. The handle can be moved with the mouse pointer to re-size the graphic.
All of them, they are handles.
You grip whatever you need to hold with them while holding the plier handles in one hand.
Thought
Oh, dude, you can't hold onto a handle made of smoke or a handle on a situation. Like, good luck trying to grasp those with your hands! So, technically, you can't hold onto those handles, but hey, life's full of things you can't grip, right?
The paper you can hold in your hand after the spreadsheet is sent to a computer printer.
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You hold A and move your hand in a brushing motion if that doesn't work hold b instead.
Little squares at the edges and corners of a selected graphic on your screen. You can move a handle with your mouse pointer to re-size or reshape the graphic.
I would say 'To walk you through the steps'