The mouse pointer takes on different shapes to display the action available at the location of the cursor. For example, placing the mouse pointer in a data entry field changes the pointer to an I beam, indicating a typing area. If you wish to type entries here, you must click the mouse to activate the typing cursor. Properties of every character and space. Upper case and lower case are different, comma and period are different.
Incorrect syntax happens when a wrong character is used.
A language for communicating between two devices. Similar to an interpreter to allow different people to understand each other when they speak different languages. This defines a common language that allows communication. A condition of a window that hides it from view but does not close it. Bring it back into view by clicking on the button on the taskbar.