1) Emphatic assent 2) Of course 
By All Means was an American male/female vocal group, consisting of James Varner, Lynn Roderick, and Billy Sheppard. Their single `I Surrender To Your Love` was released on the Fourth And Broadway label, and entered the UK Singles Chart on 18 June 1988. It reached a high of #65, and was in the chart for two weeks. Their self-titled album was als.....
[adv] - (informal) definitely or certainly
adverb definitely or certainly; `Visit us by all means`