Articulation is one's ability to use their oral structures (mouth posture and tongue movements) to produce speech sounds correctly.

Auditory processing skills are skills we all use to interpret what we hear.  An auditory processing disorder is when an individual has difficulty recognizing or comprehending information they hear, even though the person has normal intelligence and normal hearing.

Basic concepts are fundamental to the school setting.  These are words that a child needs to understand in order to follow directions, participate in classroom routines, and engage in conversation.

Grammar is the rules that govern our language.

Pragmatic language is the language used during social interactions.  For some children these social language skills do not develop automatically, and they require lots of coaching and practice with these skills at home and school.

Children learn to understand 'wh' questions in  the following sequence -- what, who, where, when and why -- with when and why being the most difficult.  Answering 'wh' questions is a critical skill at school.

Stuttering is the interruption of the flow of speech that may include hesitations, repetitions, and prolongations of sounds or words.

Students who have delays in their vocabulary acquisition skills need strategies taught to them to learn or explain the meanings of words; these may be words that they should already know.