To just expand on a point to the one link you opened up
SECOND VATICAN ECUMENICAL COUNCIL, Declaration on Religious Freedom Dignitatis Humanae, 1 and 2. http://www.vatican.va/archive/hist_councils/ii_vatican_council/documents/vat-ii_decl_19651207_dignitatis-humanae_en.html
Re: section #1 (all emphasis mine)
"…First, the council professes its belief that God Himself has made known to mankind the way in which men are to serve Him, and thus be saved in Christ and come to blessedness. We believe that this one true religion subsists in the Catholic and Apostolic Church, to which the Lord Jesus committed the duty of spreading it abroad among all men. Thus He spoke to the Apostles: “Go, therefore, and make disciples of all nations, baptizing them in the name of the Father and of the Son and of the Holy Spirit, **teaching them to observe all things whatsoever I have enjoined upon you**” (Matt. 28: 19-20). On their part, all men are bound to seek the truth, especially in what concerns God and His Church, and to embrace the truth they come to know, and to hold fast to it.
This Vatican Council likewise professes its belief that it is upon the human conscience that these obligations fall and exert their binding force. The truth cannot impose itself except by virtue of its own truth, as it makes its entrance into the mind at once quietly and with power.
Religious freedom, in turn, which men demand as necessary to fulfill their duty to worship God, has to do with immunity from coercion in civil society. Therefore it leaves untouched traditional Catholic doctrine on the moral duty of men and societies toward the true religion and toward the one Church of Christ.…"
For clarification if one has any questions on the meaning of"subsists in"
Re: “subsist in the Catholic and Apostolic Church” then this should answer it https://www.catholic.com/index.php/qa/why-subsists-in-instead-of-is
I bring this point up, because ecumenical language, in the last 50 years, in the attempt to soften the message, has left some confusions among readers on both sides.