The document discusses the properties of a cube. It states that a cube has 12 edges, 8 corners, and 6 faces. It then lists the names and properties of basic 2D shapes including triangles with 3 sides and 3 corners, squares with 4 equal sides and 4 corners, rectangles with 4 sides where 2 are longer and 4 corners, and circles which have a curved side and no corners. The document concludes by asking the reader to name the shapes and providing the names when prompted.