The limits of language: Why do some experiences elude communication?
Why are some things relatively easy to express in language (e.g., geometric shapes) but others hard (e.g., odors)? Various explanations have been suggested for this differential ineffability (i.e., the impossibility of putting phenomena into words). Perhaps it is due to something fundamental about the cognitive architecture of our mind~brains. The ease of naming visual as opposed olfactory entities, for example, has been attributed the amount brain area devoted to processing each sensory modality.