"Concrete-spatial" refers to something that has a physical presence and occupies actual space. Synonyms for "concrete-spatial" include tangible, palpable, solid, material, physical, and real. These words evoke a sense of something that can be touched, seen, or otherwise experienced through the physical senses. "Tangible" refers to something that is capable of being touched, while "palpable" refers to something that can be felt. "Solid" and "material" both suggest a physical form that is substantial and can be perceived through the senses, while "physical" emphasizes the aspect of having a physical presence. "Real" has a more general meaning of being genuine or actual, but can also be used to describe things that have a physical existence.