| Term | Definition |
| image | a mental picture |
| imagery | the collective stimulation of the senses in the creation of mental pictures or mental sense experiences; the use of images |
| visual | imaginatively stimulating the sense of sight |
| olfactory | imaginatively stimulating the sense of smell |
| auditory | imaginatively stimulating the sense of hearing |
| tactile | imaginatively stimulating the sense of touch |
| gustatory | imaginatively stimulating the sense of taste or flavor |
| kinesthetic | imaginatively stimulating the emotions or sense of internal biological feeling |
| synesthetic | A mixed-up stimulation of the senses; one sense confused with another |
| concrete | describing the real, actual, specific, tangible, and particular; not the ideal |
| abstract | describing the theoretical or ideal; not the particular, solid, or tangible |