noun

• (computing) An aggregation of data on a storage device, identified by a name.
  "He had created a file for coding to design a new product."
• (Canada, US) Clipping of file cabinet.
  "The Nonfiction Vertical File: […]I spent my university years working in the library at the Maritime School of Social Work. One of my responsibilities was to keep the library's vertical file up to date. The vertical file was a cabinet full of current newspaper and magazine clippings on topics of interest to the students and faculty of the school."

verb

• (transitive) To commit (official papers) to some office.
  "She filed their accounts yesterday."
• (transitive) (of a journalist) To submit (an article) to a newspaper or similar publication.
  "I filed my copy soon after the interview."
• (transitive) To place in an archive in a logical place and order.
  "Troves of documents filed away in the depository."
• (transitive) To store a file (aggregation of data) on a storage medium such as a disc or another computer.

noun

• (military) A small detachment of soldiers.
• (chess) One of the eight vertical lines of squares on a chessboard (i.e., those identified by a letter).

verb

• (intransitive) To move in a file.
  "The applicants kept filing into the room until it was full."