​​​​Apraxia: Motor-planning disorder that can result in errors in speech sound production, minimal talking, or a high-level of unintelligibility

Articulation and Phonological Disorders: Difficulty producing speech sounds

Autism Spectrum Disorder: A developmental disability affecting communication, social skills, and behavior

Expressive/Receptive Language: An overall challenge in using, producing, and understanding language

Fluency: (AKA stuttering) A disruption of speech with repetition, pauses, or prolongations of sounds and syllables