Thank you Sir Ramos.

We don't have to DEFEND.

This is it.

Thank you so Much!

Love,
Four-One

Speed Limit: Maximum speed (roads)
Maximum Revenue and Profit
Maximum Laborers for any business establishments
Maximum Load: Elevator, Airplanes, Boat
Amount and Area: Painting -- Architecture
Packaging: boxes
Import and Export
Energy Consumption
Water Consumption
Grocery

Check the Gallery.

Dictionary meaning:
c/o Dictionary.com

de·riv·a·tive (adjective)
Resulting from or employing derivation: a derivative word; a derivative process. Copied or adapted from others: a highly derivative prose style.

de·riv·a·tive (noun)
Something derived.

Linguistics. A word formed from another by derivation, such as electricity from electric.

Mathematics.
The limiting value of the ratio of the change in a function to the corresponding change in its independent variable.
The instantaneous rate of change of a function with respect to its variable.
The slope of the tangent line to the graph of a function at a given point. Also called differential coefficient, fluxion.

Chemistry. A compound derived or obtained from another and containing essential elements of the parent substance.

Simply, A Derivative is a rate of change.