arrangement
noun
2.
an orderly grouping (of things or persons) considered as a unit; the result of arranging
Derived from:
arrange 3.
an organized structure for arranging or classifying
4.
the spatial property of the way in which something is placed
Derived from:
arrange 5.
a piece of music that has been adapted for performance by a particular set of voices or instruments
6.
the act of arranging and adapting a piece of music