Informative vs Informatively - What's the difference?

As an adjective informative

is providing information; especially, providing useful or interesting information.

in an informative manner.

(en adjective)

Providing information; especially , providing useful or interesting information.

I read a very informative newspaper article on that subject last week.

(in standards and specifications) Not specifying requirements, but merely providing information.

* (providing information) informatory, instructive

* (providing information) uninformative * (not specifying requirements) normative