Simply put, a conclave is the assembly of cardinals that elects a pope. The word itself comes from the Latin "com" and "clavis," meaning "together" and "key," respectively – highlighting the absolute, behind-closed-doors secrecy with which the cardinals conduct their discussions and balloting.

Speculation surrounding a conclave to elect a pope is a time-honored tradition. But for the impending conclave following the death of Pope Francis, the ranks of armchair Vatican experts have swelled thanks to Hollywood.