Explanation:
Linear Perspective - By using either 1 point perspective, 2 point perspective, or 3 point perspective, an artist can create the illusion of space. Linear perspective is a drawing method that uses lines to draw objects in space.
Armature
Hope this helps (:
Presto Agitato.
This is what is indicated on my version of the score.
I'm pretty sure its Sonata-allegro or the theme and variations. Sorry if this doesn't help :(