Articulation Disorder: When sounds in speech are not produced clearly. A child with an articulation disorder may not be well understood by others. This is a very common speech disorder.

Receptive Language Disorder:  When a child has difficulty understanding language. This may be verbal and/or non-verbal.

Expressive Language Disorder: When a child has difficulty expressing themselves clearly. This may be verbal and/or non-verbal.

Phonological Disorder: When a child has difficulty organizing the patterns of sounds required during speech output. These children do not use all the speech sounds to form words as expected.

Oral Motor Difficulties: When the child has difficulty using the oral mechanism efficiently for speech and feeding. These children may present with unclear speech or be called 'picky eaters'.

Apraxia of Speech: When a child has difficulty planning motor movements of the mouth for clear speech. 

Pragmatic Disorders: When a child has difficulty with communication in social situations. 

Autism: This disorder causes communication and  social skill difficulties and can range from mild to severe.