There is no solid shape with exactly four squares and no other faces.
A bigger square!
a Stengel!
quadrilateral(squares,rectangles,diamonds,etc.)
rectangles and squares have
A tetramino is a shape which is formed by four identical squares.
A quadrilateral, which includes squares, rhombi, parallellograms and trapezia...
Any rectangle (including squares).
Rectangular prism
A cuboid or a rectangular prism.
Rectangle (squares too)
Squares and rectangles have a two-dimensional shape with four sides and four right angles.
Squares don't 'represent' angles. A shape is a square only if it has four equal sides and four 90-degree angles. If it doesn't have those, then it's not a square.