Rectangle:A rectangle is a four-sided figure with two pairs of parallel sides and four right angles. The length of a rectangle is the distance between its two longest sides, while the width is the distance between its two shortest sides. Rectangles are commonly found in buildings, furniture, and electronic devices.Oblong:An oblong is a type of rectangle with unequal sides. The length is longer than the width, but not as long as a true rectangle. Oblongs are commonly found in food packaging, books, and garden beds.Square:A square is a special type of rectangle with all sides equal in length. It has four right angles and is used extensively in building construction, flooring, and cooking.Parallelogram:A parallelogram is a four-sided figure with opposite sides that are equal in length and parallel to each other. Its opposite angles are also equal in size. Parallelograms are commonly found in geometry and engineering applications.