Go to your room
At a first glance this phrase appears to be be issues a short to middle term isolation punishment by confining the child to their bedroom away from the rest of the family. However it can be seen as a pre-punishment cool-down time instead, or a parental time-out except with a respect your elders variation that requires the child to give the ground.
However if this phrase is amended with and wait for me it usually means a punishment — or at least a private talking too — ·in a praise in public, chastise in private style. This can both be form of pre-punishment cool-down or just the first step in a preparation for spanking ritual.