Articulation disorder is a speech disorder involving difficulties in articulating specific types of sounds.

Receptive language disorder is a condition in which a child has trouble understanding and processing words.

Expressive language disorder is a condition in which a child has lower than normal ability in vocabulary, saying complex sentences, and remembering words.

Auditory processing disorder is a hearing problem in which a person has difficulty with processing what they hear in the same way others do because their ears and brain don't fully coordinate.

Executive function disorders are commonly represented as a struggle to analyze, plan, organize, schedule, and complete tasks at all — or on deadline.

Dysfluent speech is the disruption of the forward flow and timing of speech by repetition of sounds, syllables or words, sound prolongation and/or blocking on sounds,