Define-
Array
Angle
Polygon
Prism

Dear Student
Array : An arrangement of objects, pictures, or numbers in columns and rows
Angle: An angle is the figure formed by two rays.
Polygon: it  is a plane figure that is described by a finite number of straight line segments connected to form a closed figure.
Prism : A solid object with two identical ends and flat sides. The shape of the ends give the prism a name, such as             Triangular Prism , Square Prisms, Pentagonal Prisms etc.
Regards