The system configuration of main module actually acts like a commander or interpreter. Its prime function is to collect the main directives from your end and thereafter it makes the correlation between your directives and the core functioning. The entire system is supposed to be fully dependable on its algorithmic command and hence it seems like the sole responsible for passing data from one module to another.

 

The data whatever submitted by the user is about to first validated inside its inline bullet proof logical gates according to your set of directives, and, after getting no validation error result, the refined data then finally sent to subsequent called module, so that time consuming method can be overcome.