A part of a document containing typically short notes about the document itself and/or the authors. Often the notes section contains subsections related to funding, competing interests, ethical approval, etc.
The section labelled 'notes' in a typical scientific journal article, e.g. McLean et al. Br J Gen Pract. 2014 Jul; 64(624): e440–e447 (http://www.ncbi.nlm.nih.gov/pmc/articles/PMC4073730/):
PERSON: Bill Baumgartner