Place Plane figures at the top, since these are all plane figure(Flat shapes) under that draw a line straight down and write polygons. under that word draw 3 lines that look like this
/ | \ under those lines write pentagon, then quadrilateral, then triangle. (since these are all different types of polygons)
under quadrilateral draw a line and write parallelogram. under parallelgram draw a line and write rhombus.
under Triangles draw a line and write right triangles.