the bible was passed on in written form by the apostles and other inspired religious teachers
once the bible gained its fixed, form, it could neither be added to nor taken away from
tradition was passed on in oral form (and eventually written down) by the apostles. this is known as the apostolic tradition
the apostolic succession is always in agreement with what is contained in the bible, though it may contain truths not found in the bible
the apostolic succession is a living form of the truth in that it is added to by new insights, e.g. ethical teachings on bio-medical issues
the passing on and interpretation of the bible and tradition are overseen my the magisterium
magisterium
refers to the teaching authority of the Catholic Church, consisting of the pope and bishops
the magisterium received the authority from god to given an interpretation of both the bible and tradition that is authentic, and its teachings must be obeyed