They are both pretty similar but true has more to do with an answer being true or false where as correct is more to do with an answer being correct.
True is the opposite of false and it may be real and it may not example accounting rules are true but they may not be real in a special environments
Cedar wood is the wood of the Cedar.
One is a bill...and one is not! But...according to some websites, they print different colors.
True Love - probably includes a sexual attraction. If you have true love you'll know. True Friendship - might mean telling secrets and knowing that person won't tell. It's someone you can turn to...