One theme said to be included in the synod: how the prelates use labels that "are not necessarily words that invite people to draw closer to the church."
The Vatican spokesman says his daily briefings will give "an effective feeling of what has happened in the room in the diverse languages with the diverse fathers."
The prelate responsible for shepherding the process said one thing is clear: The coming days will see an "opportunity to deal with existential issues."
The Vatican's seven ambassadors throughout the Middle East will hold a summit at the Vatican this week that will be addressed by the Vatican's secretary of state, Cardinal Pietro Parolin, and Pope Francis.
Vatican spokesman Jesuit Fr. Federico Lombardi announced the convening of the Vatican officials, formally known as apostolic nuncios, in a short press briefing Tuesday.
While neither Lombardi nor a statement issued by the Vatican gives firm reasoning for the summit, it comes as focus around the world is centered on efforts to combat the Islamic State militant group.
"There were serious problems with [Bishop Rogelio Livieres Plano's] management of the diocese, the education of clergy and relations with other bishops."
The Vatican formally criticized a U.N. committee's "grave misunderstanding" of state sovereignty and reiterated its concerns over "controversial new expressions" that threaten the unborn and religious freedom.
By insisting the Holy See should enforce the compliance of Catholics all over the world with international treaties signed by the Vatican, the U.N. Committee on the Rights of the Child "offers a controversial new approach to 'jurisdiction,' which clearly contradicts the general understanding of this concept of international law."
The removed bishop shot back, charging in an open letter that he was the victim of an ideological campaign by bishops in league with Vatican officials.
The Vatican has placed former Archbishop Jozef Wesolowski under house arrest as he awaits a criminal trial for sexually abusing young boys.
The series of discussions have now begun a more "concrete" phase with "putting ink on paper" in the form of a draft for the introduction to a new constitution.
Iraq's ambassador to the Holy See said the pope could be a target for the Islamic State, but the Vatican says Francis faces no specific threat.