Pope Francis, the Catholic Church's 266th pontiff, was the first Jesuit to lead the church in its nearly 2,000-year history. Francis, born Jorge Mario Bergoglio of Argentina, died April 21 at age 88 .

The church under Pope Francis recently completed a Synod on Synodality, so Leo's use of the word likely indicates his desire to continue that work. What does the name Leo signify more generally?