The rings of an archery target are concentric circles.
Do you mean scoring rings?
Concentric this is for the P.E. Packet of archery
There are 5 different colour rings but there are 2 rings in each colour, so there are 10 rings in total.
the centre of an archery target is called the gold . this is because it is gold in colour,all rings have a different colour.
white black blue red gold
You have in fact answered yourself, they are simply called rings! However, the target picture is called a target "face" and the tough straw backing is called the target "boss".
Starting from the outside. White, Black, Blue, Red, Gold