Misc: George Stephenson was born in what year?

Questions

(Ger.) - Detached. Same as staccato.?

(Ger.) - Slow and sustained. Same as sostenuto.?

(It.), jig - A lively dance in binary form, usually in 6 / 8 or 12 / 8 time. Often occurs as the last movement in the 18th century suite.?

(It.) - Merry, playful.?

(It.) - (1) In strict time. (2) At a reasonable speed.?