Audio Date-Time Table-ID Context (Optional) (Optional)
audio yyyyMMddhhmm church Lesson-Type Teacher-ID
audio yyyyMMddhhmm class Group-ID Series-Abbr
Document Date-Time Table-ID Context Sub-Class
doc yyyyMMddhhmm church Doc-Type
doc yyyyMMddhhmm class Group-ID Doc-Type
Bulletin Prefix Date-Time
bulletin GP yyMMdd[PM]