The Note is introduced by the following words: "A preliminary note of explanation is being given to the Council Fathers from higher authority, regarding the Modi bearing on Chapter III of the Schema de Ecclesia; the doctrine set forth in Chapter III ought to be explained and understood in accordance with the meaning and intent of this explanatory note." "Higher authority" refers to the Pope, Paul VI, and "the Schema de Ecclesia" to the draft text for the dogmatic constitution "Lumen gentium". By "the Modi" is meant the proposals for amendments of that draft text which some of the Council participants had presented.