This document defines various geometric shapes and terms through examples and brief descriptions. It provides definitions for acute angles, collinear points, circles, cones, cylinders, lines, angles, points, obtuse angles, perpendicular lines, planes, prisms, pyramids, rays, parallel lines, parallelograms, rectangles, right angles, spheres, squares, triangles, vertices, line segments, and trapezoids. Examples are given to illustrate each term, such as street intersections for angles or a map for points.