Topic links 3.0 cp

It seems you're referring to "Topic Links 3.0" which may pertain to some specific context, such as software, metadata standards, or web technologies. However, without more context, it's challenging to provide a well-informed response. If you are referring to a specific software, standard, or framework, please provide additional details so I can assist you better. For example, are you looking for a definition, implementation guidelines, or perhaps an analysis of its features?