脚註[kyakuchuu] footnote
註解[chuukai] gloss
註文[chuumon] order
発註[hacchuu] ordering (materials)
付註[fuchuu] annotation

原註[genchuu] the original notes
古註[kochuu] commentaries of the ancients
傍註[bouchuu] marginal notes
受註[juchuu] receiving an order