Pain can be instructive if you are able to learn from it.
The word that has the definition for providing information instructive is "educational."
instructive
There are LARGE CRYSTALS....
Instructive language is language that is used to give instructions or guidance on how to do something. It is clear, direct, and often focuses on providing step-by-step directions to help someone complete a task or action. Examples include recipes, manuals, and tutorials.
An apothegm is a short, witty, instructive saying.
Instructive or educational.
Instructable and instructive are adjectives.
The tone is reassuring and instructive.
instructive sentence
Interference. Constructive Interference, which is where the waves increase amplitudes and troughs when they overlap. Destructive Interference, which is where the waves cancel each other out when they overlap.
every theme concerned with an instructive activity is didactic.