Each domain shares language development because it is essential for the conscious development of any learning skill in any domain.
  Language Development: General Skill Areas

Specific
Skills

 Building
Vocabulary		 Decoding
Communication		 Understanding
Syntax		 Identifying
Semantics		 Identifying
Context
defining pattern 
recognition		 word 
recognition		 recognizing
meaning		 identifying cultural background
practice & 
usage		 recognizing symbols proper use of
sentence structure		 recognizing connotations identifying historical background
  assigning
meaning		 proper use
of grammar		 using rhetoric