WHAT IS THE DIFFERENCE BETWEEN SINGLE, DOUBLE OR TWIN ROPE?

ACCORDING TO THE REGULATIONS, THEY ARE DEFINED AS FOLLOWS:

1. DYNAMIC ROPE:
   A ROPE THAT, WHEN USED AS A COMPONENT OF THE SAFETY SYSTEM, IS CAPABLE OF BRAKING THE FREE FALL OF A PERSON PRACTICING MOUNTAINEERING OR CLIMBING, WITH A LIMITED MAXIMUM SHOCK FORCE.
2. SINGLE ROPE:
   A DYNAMIC ROPE THAT CAN BE USED BY ITSELF AS PART OF THE SAFETY SYSTEM TO BRAKE THE FALL OF A PERSON
   
3. DOUBLE ROPE:
   A DYNAMIC ROPE THAT, WHEN USED IN TANDEM AS PART OF THE SAFETY SYSTEM, IS CAPABLE OF BRAKING THE FALL OF THE LEADER OF THE CLIMBING PARTY.
4. TWIN ROPE:
   A DYNAMIC ROPE THAT, WHEN USED IN TANDEM AND IN PARALLEL, AS PART OF THE SAFETY SYSTEM, IS CAPABLE OF BRAKING THE FALL OF A PERSON.