Answer:
Option 2: Sloper is a basic pattern in a garment.
Step-by-step explanation:
Sloper is a building block of each patterns like stem cell is the beginning of everything. It is basically a generic pattern based on all the measurements we have.
Now we speaking in terms of computer language, can relate sloper with a function, which is a part of a program. We can alter a function to achieve desired and required results. Similarly, a sloper is a main part of the garment containing information about how to alter the garment to fit you perfectly.
So, without sloper we have nothing to design and having sloper means we have everything.