If you are working as an appraiser you may be likely to use the following entities from the Cadastral Data Content Standard. It may be possible that these are the only entities of the Standard which might pertain to your use. So your data application may only implement these.

Links to the Course Sections and Modules: [Quick
Reference] [Introduction]
[Section
1: Purpose and Benefits of the Cadastral Data Content Standard] [Section
2: How the Standard Was Developed] [Section
3: Other Standards and Related Activities] [Section
4: Data Modeling Techniques, Rules and Diagram Conventions] [Section
5: Crosswalks, Translations, and Examples] [Section
6: Understanding Compliance with the Standard] [Section
7: Maintenance of the Standard] [Section
8: User and Technical Support] [County
Recorder Module] [GIS
Specialist Module] [Surveyor
Module] [Glossary]
Learning the Cadastral Data Content Standard
Presented by the United States Department of the Interior Bureau of Land Management, and
the Federal Geographic Data Committee Cadastral Subcommittee