All four sides have equal length, opposite angles have equal measure and opposite sides are parallel. They look like a diamond.
She rammed the bus (rhombus) into a diamond store.
With opposite angles of equal measure and all four sides of equal length, and two angles the same and greater than 90° and two angles the same and less than 90°, this is a rhombus.
This is a rhombus because all the sides are of equal length. Sides AD and BC are parallel, as are sides AB and CD.
A typical rhombus shape – Diamond