Parallelogram: a set of quadrilaterals with parallel and equal opposite sides; Quadrilateral with equal diagonal lines; A quadrilateral with diagonal lines bisecting each other;

Two groups of quadrangles with equal opposite sides;

Rectangular: a quadrilateral with three angles at right angles; Parallelogram with equal diagonal lines;

A parallelogram with a right angle;

Diamond: a quadrilateral with four equal sides; Parallelogram with diagonal lines perpendicular to each other;

There is a group of parallelograms with equal adjacent sides; A quadrilateral with diagonal lines bisecting each other vertically;

Square: a rectangle with equal adjacent sides; Diamonds with right angles; Quadrilateral whose diagonals are perpendicular to each other and equally divided;

A rectangle with diagonal lines perpendicular to each other;

A diamond with equal diagonal lines;