Misc: what are half human & half horse figures called?

Questions

(It.) - Drawn together, close; (1) Indication to quicken pace. (2) In a fugue, the term describes the overlapping of the entries when the subject begins in one voice before the preceding entry has finished. ?

(Ger.) - A bow stroke.?

(It., 'tightening') - A heightening of tension in the music which in effect means an increase in speed.?

- Solely a string band as opposed to a wind or brass brand, normally consisting of first and second violins, violas, 'cellos and double basses.?

- A string group consisting of two violins, viola and 'cello.?