- an object which has mass, meaning and mobility. (COHA, p. 54)
- something which could represent an idea. It is a piece of energy which is agreed to represent a certain idea. (2ACC-20A, 5312CM10)
- an idea which is cloaked in energy of any kind is actually a symbol. That is the definition of a symbol It's any idea which is fixed in any space with energy. (2ACC22A, 5312CM13)
- pieces of thought, which represent states of being in the material universe. (5203CM06A)
- a symbol is an idea fixed in energy and mobile in space. (COHA, p. 259)