Left: side, direction 方, right: horizontal person , var. of correct 正. (When sleeping, one must occasionally turn to the other side to avoid pressure & bed sores & circulation problems.)
The side of the lying person is fine/correct, but he must turn.

Left: king, jade 王, right: revolve 旋 (The side 方 of the lying person is okay 正, but he has to be turned [because of bed sores?])
The royal jade is revolved (= round at all sides) as: beautiful jade.

Left: water 氵, right: turn, revolve 旋 (The side 方 of the lying person is okay 正, but he has to be turned [because of bed sores?])
Water, that revolves is an eddy.