Question

The rain concept is used by individuals to quickly gather and process information and to synthesize the information in order to facilitate life safety actions at an incident. the letter "n" in rain stands for

Answer 1

I believe the answer is: Non-identification

This part of the concept refers to the ability to completely distinguish your emotion, perception, and your logical awareness.
Having this ability would allow you to survive in difficult situation and remain calm collected in identifying solutions for each of our problems.