What is the difference between json-rpc and json?

Question

JSON

What is the difference between json-rpc and json ?
Are the scopes of these two guys different?

Answer 1

json - data format
json-rpc - a way to communicate between services / parts of the application / frontend and backend, etc., based on the json format, the purpose of such communication is to call the shared functions of another service and get their result

Answer 2

That's what it says on the wiki
and
One for data, the other for procedure calls. (data - functions)