Misc: What is celebrated on 14 July in France?

Questions

(It.) - Becoming slower. Abbreviation is rit.?

(It.) - Held back (tempo). Sometimes used as an equivalent of ritardando.?

(It.) - Rhythm.?

- The music is to be performed in three bar groupings, implying that the music is so fast there is only one beat to the bar.?

(It. 'a little return') - Many meanings, but the following are the most common. (I) In a concerto, it is a passage for the full orchestra without the soloist; (2) In the 14th century Italian madrigal, the ritornello is the closing section; (3) In early opera, it was an instrumental piece.?