Which of the following is a basic idea of magna carta?

The exact Wording of the first article of the Magna Carta is:

First, that we have granted to God, and by this present charter have confirmed for us and our heirs in perpetuity, that the English Church shall be free, and shall have its rights undiminished, and its liberties unimpaired. That we wish this so to be observed, appears from the fact that of our own free will, before the outbreak of the present dispute between us and our barons, we granted and confirmed by charter the freedom of the Church's elections - a right reckoned to be of the greatest necessity and importance to it - and caused this to be confirmed by Pope Innocent III. This freedom we shall observe ourselves, and desire to be observed in good faith by our heirs in perpetuity. We have also granted to all free men of our realm, for us and our heirs for ever, all the liberties written out below, to have and to keep for them and their heirs, of us and our heirs