internal in WordNet English dictionary

1. inside the country
   "the British Home Office has broader responsibilities than the United States Department of the Interior"; "the nation's internal politics"
   home  interior  internal  national 
   
2. innermost or essential
   "the inner logic of Cubism"; "the internal contradictions of the theory"; "the intimate structure of matter"
   inner  internal  intimate 
   
3. located inward
   "Beethoven's manuscript looks like a bloody record of a tremendous inner battle"- Leonard Bernstein; "she thinks she has no soul, no interior life, but the truth is that she has no access to it"- David Denby; "an internal sense of rightousness"- A.R.Gurney,Jr.
   inner  interior  internal 
   
4. happening or arising or located within some limits or especially surface
   "internal organs"; "internal mechanism of a toy"; "internal party maneuvering"
   internal 
   
5. occurring within an institution or community
   "intragroup squabbling within the corporation"
   internal  intragroup