A 2D square □
A rhombus is one of them
It is a rhombus or a parallelogram.
A square.It is a square
An irregular quadrilateral.
A square is a two-dimensional shape with four equal sides and four right angles.
This is the desctiption of a rectangle. It mightbe a square, but it does not have to be one.
A rhombus. (Which is in fact also an equilateral parallelogram)
Any polygon with more than 5 sides can do that.