Speech & language

Speech:

• Intelligibility (Table 1)
  Speech clarity

• Phonetic (articulation) development (Table 4)
  The ability to pronounce speech sounds or 'phones'

• Phonemic (phonological) development (Table 3)
  The organisation of the speech sounds into a system of adult-like sound contrasts.

Language:

• receptive language:
  understanding what is said, written or signed;

• expressive language:
  speaking, writing or signing