subdivision

noun

1.
an area composed of subdivided lots
2.
the act of subdividing; division of something previously divided
Derived from:
subdivide
3.
a division of some larger or more complex organization
capittle arm branch
4.
a self-contained part of a larger composition (written or musical)
and kefli section
5.
a section of a section; a part of a part; i.e., a part of something already divided
subsection