The upcoming papal transition involves key figures like Cardinal Giovanni Battista Re (dean of the College of Cardinals), who will preside over the conclave until Cardinal Pietro Parolin takes over. The Domus Santa Marta will house cardinals, while Latin phrases like 'extra omnes' (all out) and 'Habemus Papam' (we have a pope) will mark key moments. Three groups of cardinals – infirmarii, revisers, and scrutineers – will manage ballots. The 'sede vacante' period and the 'Universi Dominici Gregis' constitution govern the election process, requiring a two-thirds majority for a new pope.

Prepared by Emily Rhodes and reviewed by editorial team.