Read the excerpt below and answer the question.
 "Gimme a case-knife."
 He had his own by him, but I handed him mine. He flung it down, and says:
 "Gimme a case-knife."
 I didn't know just what to do--but then I thought. I scratched around amongst the old tools, and got a pick-axe
 and give it to him, and he took it and went to work, and never said word.
 He was always just that particular. Full of principle.
 Huck's remarks on Tom's behavior shows an example of
 meaning
 explicit
 implicit
 specific
 understood