)(1) In many applications, when you select a graphical object, an outline of the object appears with small boxes. Each box is a handle. By dragging the handles, you can change the shape and size of the object.
(2) In programming, a handle is a token, typically a pointer, that enables the program to access a resource, such as a library function.
(3) When communicating via an online service, your handle is the name that you use to identify yourself. It could be your real name, a nickname, or a completely fictitious name.
