Functionally and Constructively

adverb

• With respect to function.
  • usage: "the two units are functionally interdependent"

(adv.) In a functional manner; as regards normal or appropriate activity.

adverb

• In a constructive manner.
  • usage: "it is my task to look critically and constructively at the flaws and the failures"

(adv.) In a constructive manner; by construction or inference.