meteor__coursera-meteor-2/lib/collections.js

// This collection stores all the documents.
// Note: not Documents, but this.Documents, because of the editing package (?)
this.Documents = new Mongo.Collection("documents");

// This collection stores sets of users that are editing documents.
EditingUsers = new Mongo.Collection("editingUsers");

Comments = new Mongo.Collection("comments");
Comments.attachSchema(new SimpleSchema({
  title: {
    type: String,
    label: "Title",
    max: 200
  },
  body: {
    type: String,
    label: "Comment",
    max: 1000
  },
  docid: {
    type: String
  }
}));