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 "r" in rain stands for:

The RAIN concept is used as a basis or a strategic action that an individual could use in means of having to gather and process information in a given scenario in order to find a solution to the problem or asses the situation that has been given. The meaning of ‘R’ in RAIN is recognition in which the individual is likely to engage of recognizing the things around him or her in a way that he or she is on a process of evaluating or assessing the situation.