While managing a mass disaster, the term "Triage" applies to -

It is the classification of the injured on the basis of severity of injuries, with the concept of treating the most seriously injured first

It is the classification of the injured on the basis of severity of injuries, with the concept of treating the children and adoslecents first

It is the classification of the injured on the basis of severity of injuries, with the concept of treating those first who are likely to survive with medical intervention