They provide detailed instructions on how to use each command. They provide graphical representations of the interface, with labels explaining the function of each window, button, panel, pop-down menu, and so on. They provide instructions on how to use each element of the interface, including each window, button, panel, pop-down menu, and so on. As much as possible to give readers all the information they might need. Only the essential because there is not much room.
Price gives a nice synopsis of the developmental history of computer interfaces.
Provide quick explanations of the commands in logical groupings. Show the various menus used in the product interface. Show the interface, with explanatory labels for each of the main elements of that interface. Provide quick explanations of the commands in logical groupings. Show the various menus used in the product interface with brief explanation of the tasks they support.