what is modification

Modification refers to a change or alteration made to something, usually to improve it. It can be a change in an organism caused by environmental factors, a limitation or qualification of the meaning of a word by another word, by an affix, or by internal change, or a change to the terms of a contract that have previously been agreed. Modifications can be relatively minor or significant, and they can be made to various things, such as cars, computer programs, and contracts.