LSE-163, the Data Products Definition Document, is undergoing major revisions in 2016-2017. The source may be found at: https://github.com/lsst/lse-163 The latest version of the “dmsr-refresh” branch is in general appropriate to take as the “current best draft” and is regularly materialized at: https://lse-163.lsst.io/v/dmsr-refresh/dpdd.pdf