It is a symbol of timelessness, infinity; also a sign of the completion of the course of life and human ideas. A circle may also suggests the end of some stage in life.
see: you are facing big changes in life, the faster the circle turns, the faster the changes will occur; if the circle does not move, the changes may be insignificant or negative
see the wheels of the vehicle: prosperity, good financial situation
see the huge wheel: happiness, prosperity
a rotating wheel: you spin around in a circle, there is no way out of the situation
to circle: a confusing matter to such an extent that there will be no way out
to count circles: a goal that you set out is very difficult to achieve, but not impossible
a broken circle: loss
be inside a circle: someone will mislead you
a bicycle wheel: you will manage to beat the competition
a gear: a new view for the future, be brave and try to realize your plan
a water wheel, rotating: the additional, profitable work
a life ring: internal fear or danger, which should not be ignored