file

A file is a set of papers or records on a specific issue, person, etc.

Example: The letter should be in the file on the Herzog problem.

A file is a set of information that can be opened, changed, and saved by a computer program.

Example: My computer won't read the Word file you e-mailed me last night.

A file is a place to keep papers organised.

Example: Can you put this receipt in the file?

A file is a tool with rough sides that you rub against something to make it smooth.

A file is a line of people.