Definitions of division
a disagreement or dispute between different groups, especially one that leads to tension or violence
"We know that gang membership encourages dangerous behaviour which creates a sense of division, distrust and fear in communities."
a section of an organisation that deals with a particular kind of work
The case will be heard at the Family Division of the High Court.
each of the parts into which something is divided
Decide what you want to call the main divisions of the document. Some legal documents call them "clauses" and others call them "sections".