It's suppose to be clarifying between a=1 b=2 and a = [1,2] b = [1,2] For example "Give the cookies and brownies to Angie and Bob" could mean both Angie and Bo

It's suppose to be clarifying between a=1 b=2 and a = [1,2] b = [1,2] For example "Give the cookies and brownies to Angie and Bob" could mean both Angie and Bob get both cookies and brownies. "Give the cookies and brownies to Angie and Bob, respectively" clarifies that the cookies go to Angie, and the brownies go to Bob.