Controls, or widgets, are objects that describe what to do upon
execution of an action, for example, what to do in response to a mouse click,
double-click, menu selection, button selection, and so on.
Some controls do not do anything unless you explicitly assign an action to them, for example, buttons, hyperlinks, and menus.
Note: When controls such as hyperlink, button, checkbox, and so on, are too long to fit on the device screen, they are truncated and an ellipse (...) is added. When the user focuses on the control on the device, the entire control string is displayed in the screen footer. When adding controls, consider the length and add a footer to the design in cases where the control is long, so that the user can see the full name of the control in the screen footer.