Articulation therapy refers to the remediation of misarticulated speech sounds, development of the speech sound system, planning and coordinating the oral-motor movements needed to make speech sounds.
Receptive language: this is the understanding of language. Receptive delays/ disorders refer to difficulties in understanding/ processing language.
Expressive language: this is the use of language. Expressive delays/ disorders include difficulty stringing words together, vocabulary limitations, sentence formulation and expansion, grammar, vocabulary expansion, and verbal reasoning and storytelling/ narrative skills.
Pragmatic language: this is the ability to use language in a socially appropriate manner.