Are you trying to change the shape of an item within your program by entering the values into text boxes that become variables?
What language are you using?
This question stuns me. Not sure which answer it is, but my best choice right now is probably the one you have selected in the image. A line graph would show the rate of plant growth over the course of a certain amount of days, resulting in which had the highest rates within that period. Might be wrong, but I hope you do well.
Answer: Contracts
Explanation:
The contract is the mechanism which is basically used by the developers to follow the set of rules that is defined in the framework with the proper specification in the API ( Application programming interface).
The contract is the proper agreement between the two and more developers so that they must follow the rules that is mentioned in the agreement contract.
The contract is widely used in the software development process in which all the possible design requirement are mentioned according to the needs of the client.
Therefore, Contract is the correct option.
Probably an Operating System like Mac, Linux, or Windows. There may be a type of downloadable software to do this, but may be debatably safe.