What do you mean by the inboard profile'?

A)
Inboard parts
B)
Outboard parts
C)
First design of sketch
D)
Most detailed drawing drawn to show greater details of internal components

Correct Answer :   Most detailed drawing drawn to show greater details of internal components


Explanation : Before a design can be finalized it needs to go through number of iterations. After this iterative process we make a design which has most detailed information. This detailed layout is called inboard profile. Typically, it is far more detailed than the initial layout.