This document summarizes various geometric shapes seen in an architectural structure. It describes points, lines, planes, angles, perpendicular and parallel lines, triangles, right triangles, polygons including pentagons and hexagons, squares, rectangles, trapezoids, parallelograms, circles, cylinders, spheres, pyramids, arcs, and ovals. Real world examples like the structure of a church, pillars, and the Great Pyramids are used to illustrate the geometric concepts.