It allows for the creation of a contract by exchanging separate copies of the document, each signed by one of the parties to the transaction. (newlawjournal.co.uk)
Upon completion, your defensive driving certificate will come with two separate copies so that you can turn one into your insurance company. (rushdefensivedriving.com)
Secure folder can contain separate copies of your apps (for example, a banking app) as well as documents or images. (greenbot.com)