Glossary

diff object
A diff object represents the difference B-A between two objects, A and B, as a list of operations (ops) to apply to A to obtain B.
JSONPatch
JSON Patch defines a JSON document structure for expressing a sequence of operations to apply to a JavaScript Object Notation (JSON) document; it is suitable for use with the HTTP PATCH method. See RFC 6902 JavaScript Object Notation (JSON) Patch.