what's the difference between file,document and archive?

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what's the difference between file,document and archive?

Document - a single piece of writing (which could be multiple pages) on a particular topic.

File - a collection off documents on related topics, or all on the same topic, physically maintained together for ease of reference. The folder in which they are placed is also called a file.

Archive - a large collection of documents or files that typically concerns a number of years.  Quite often, a current file is kept close to where work is done and an archive of older files is kept offsite in order to conserve local space

Please note two things.  First, I limited my definitions to what I thought most relevant given the question, as there are other definitions for these words.  Second, in the computer world, a document as defined above is called a file, a file as defined above is called a folder and an archive as defined above is an archived folder or archived file.  And in the world of computers, archives are always stored apart from folders.