Definitions of inner:

• adjective:   innermost or essential

  Example: "The inner logic of Cubism"

• adjective:   exclusive to a center; especially a center of influence

  Example: "Inner regions of the organization"

• adjective:   inside or closer to the inside of the body

  Example: "The inner ear"

• adjective:   located inward

  Example: "Beethoven's manuscript looks like a bloody record of a tremendous inner battle- Leonard Bernstein"

• adjective:   confined to an exclusive group

  Example: "Privy to inner knowledge"