Final answer:
The DEL command on the computer refers to 'delete'. It is used in command line interfaces for removing data, and is not related to 'delay', 'deliver', or 'depart'.
Step-by-step explanation:
The computer key DEL command stands for delete. It is used to remove a file, directory, or any unwanted data from a computer system. In computer programming and software usage, the DEL command can often be found within a command line interface. To access the command line, you can navigate to the "Tools" menu, select the "General Controls" sub-menu, and use the command: del :.b. Another command example is focus, which is used for a different purpose than delete.