Legal Definition
In a legal context, 'backup' refers to a duplicate or redundant copy of an original document, data set, or record, intended to ensure the integrity and availability of information. It signifies a contingency plan for preservation against loss or failure.
Plain-English Translation
Imagine you have a very important piece of paper or a digital file. 'Backup' means making an extra copy so that if the original gets lost or damaged, you still have a safe version to use. It’s about having a safety net for your data.