[Solved] Why do some people believe that the Controlling the Assault of Non-Solicited Pornography and Marketing (CAN-SPAM) Act has increased the amount of spam? Physical Objects: Items that occupy space and have mass, as opposed to abstract concepts or digital entities. Perception: The process of organizing and interpreting sensory information, enabling us to recognize meaningful objects and events. Two-dimensional Image: A visual representation on a flat surface, having only height and width, without depth. Three Dimensions: Pertaining to or having length, width, and depth, which are the physical properties that define the space an object occupies.