The Budget shall be accompanied by a message which shall include:
(a) An explanation of the expenditures and revenues in the proposed budget, indicating and explaining major changes from the current year and the prior year.
(b) An outline of proposed programs and an explanation of new, expanded, or abolished programs or functions.
(c) A summary of the City's debt position.
(d) Such other material that will inform the Council and the public of municipal goals.