ActiveDocument.Bookmarks.Count
    or .Exists
    or .Item(#index) . . . etc.
ActiveDocument.Characters
ActiveDocument.CommandBars
ActiveDocument.Comments
ActiveDocument.Endnotes
ActiveDocument.Fields
ActiveDocument.Footnotes
ActiveDocument.FormFields
ActiveDocument.Frames
ActiveDocument.Hyperlinks
ActiveDocument.Indexes
ActiveDocument.ListParagraphs
ActiveDocument.Lists
ActiveDocument.ListTemplates
ActiveDocument.Paragraphs
ActiveDocument.PrintRevisions
ActiveDocument.Revisions
ActiveDocument.Sections
ActiveDocument.Sentences
ActiveDocument.Shapes
ActiveDocument.SpellingErrors
ActiveDocument.StoryRanges
ActiveDocument.Styles
ActiveDocument.SubDocuments
ActiveDocument.Tables
ActiveDocument.TablesOfAuthorities
ActiveDocument.TablesOfAuthoritiesCategories
ActiveDocument.TablesOfContents
ActiveDocument.TablesOfFigures
ActiveDocument.TrackRevisions
ActiveDocument.UserControl
ActiveDocument.Variables
ActiveDocument.Windows
ActiveDocument.Words