inner

confined to an exclusive group

“privy to inner knowledge”

located inward

“Beethoven's manuscript looks like a bloody record of a tremendous inner battle”

innermost or essential

“the inner logic of Cubism”

exclusive to a center; especially a center of influence

“inner regions of the organization”

inside or closer to the inside of the body

“the inner ear”

located or occurring within or closer to a center

“an inner room”