small group: leader(person), location, schedule
  members(person)
  books discussed(book): date, summary
  news: date, headline
   picture
person: name, address, phone, email
 news(news)
book: Title, author, publisher, number of pages, cover image, isbn
 reviews: writer(person), date, stars(1,2,3,4), headline, summary, text

##</code><code>##

classes: name, baseclass, envelope, view-template, edit-template, new, update, del
  roles: name, access
  attribute: name, basetype, size, default, validation, indexing
basetypes: name, view, edit, update