Rugs on the other hand are smaller carpets that only cover a portion or an area of the floor and not the whole thing also earning them the name of area rugs.
Difference between carpet and rug.
Carpets are wall to wall style of floor treatment and need professional help for installation or removal.
A carpet requires constant attention such as vacuuming and requires profession cleaning in case of extensive damages.
Colloquially at least in the south the difference between a rug and a carpet seems to be movability.
What we call carpet is a floor covering that stretches from wall to wall and is affixed to the floor.
In america a carpet is a floor covering that is laid wall to wall and rugs cover only a small area or they are area specific.
One can say that carpets are used all over the world as flooring and rug is just another word that is referred to this flooring it is half true because a rug is also used as flooring.
The main difference between rug and carpet is that rugs are an artistic way of covering the specific area of the floor adding style to the same whereas floor to floor and wall to wall coverings are called carpets.
Even through we tend to use the terms carpet and rug like they mean the same thing technically there is actually a world of difference between the two.
In some countries both words are the same and have no difference but in some other countries they are entirely two different terms.
Rugs on the other hand tend to be smaller than the square footage of the room by a lot or a little and are not affixed to the floor.