Communication disorders	Speech Disorders: Impairment of voice, articulation of speech sounds, and/or fluency	Articulation Dis. Incorrect production of sounds - Omission Error - Substitution Error - Distortion Error
		Voice Dis Absence or abnormal production of voice quality, pitch, loudness, resonance and/or duration - Voice Quality - Resonance - Pitch - Loudness - Loss of voice
		Fluency Dis abnormal flow of verbal expression, characterized by impaired rate and rhythm which may be accompanied by struggle behavior - Stuttering
	Language Disorders: impairment or deviant development of comprehension and/or use of a spoken, written, and/or other symbol system	Form: Elements that connect the sounds or symbols with its meaning. - phonology - morphology - syntax
		Content: Meaning of words
		Use: Rules for the social use of language for communication