The 5 (Five) R's are related to the Reverse Logistics.
Though the commonly known streamlined (Five) 5 R's in Reverse Logistics:-
1) Repairs
2) Repacking
3) Returns
4) Recalls
5) & Recycling or you can say Disposition.
However, if you dive more into a detailed version of the same, one can say that there are more than (Five) 5 R's to Reverse Logistics like Receiving, Recovering, Reconditioning, Re-boxing, Resale etc.