The main themes of the exposition are often in ternary form, with their middle section digressing to a different tonality.
Their purpose is to discuss and resolve the conflicts of tonality and theme that the exposition has raised.
The development proper is based on a scalar variation of the second theme heard at the end of the exposition.
A fugue subject is a theme; the expositions and episodes of a sonata are groups of themes.
The development section is more ordinary in style than that of the first movement, with frequent modulations, sequences, and fragmentation of the exposition's first theme (or the main theme of the rondo).
As part of the exposition's theme, "Better City, Better Life," the organizers have also set up an "Urban Best Practices" area.
The development section begins in C-flat with a new theme, derived from the last bars of the exposition.
One common tactic in the Classical development section is to begin with the codetta theme that ended the exposition.
These movements are in sonata form, but Bruckner uses three contrasting themes in the exposition rather than the usual two.
In contrast to the previous sonatas, here the development section elaborates on several different themes from the exposition.
