| A | B |
| Expressive Language Disorders | Difficulties with using spoken or written language |
| Receptive Language Disorders | Difficulties with the understanding of language |
| Phonology | Rules about how sounds can be used and combined |
| Syntax | Rules about sentence structure |
| Morphology | Present or past, singular or plural |
| Semantics | The meaning and understanding of language |
| Pragmatics | A professor speaks differently whether in a lecture or at a party |
| Speech | The audible representation of language |
| Language | The message contained in speech |
| Communication | The exchange of ideas, opinions, or facts |