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