Read the dictionary definition of internal. All definitions for this word.
1. happening or arising or located within some limits or especially surface
1. internal organs
2. internal mechanism of a toy
3. internal party maneuvering
2. located inward
1. Beethoven's manuscript looks like a bloody record of a tremendous inner battle
2. she thinks she has no soul, no interior life, but the truth is that she has no access to it
3. an internal sense of rightousness
3. inside the country
1. the British Home Office has broader responsibilities than the United States Department of the Interior
2. the nation's internal politics
4. occurring within an institution or community
1. intragroup squabbling within the corporation
5. innermost or essential
1. the inner logic of Cubism
2. the internal contradictions of the theory
3. the intimate structure of matter