Context-based help engine, dynamic help, and help architecture

The aforementioned need is satisfied by the present invention in which a help architecture supports an application and a help engine operating on a computer, where the help engine is for locating help topics relevant to the application. In the help architecture, at least one help library stores a plurality of help topics therein, where the help topics are accessible to a user from the help library by way of the computer, and a central store stores topic metadata corresponding to help topics available from each help library. The central store in response to a search request from the help engine locates topic metadata relevant to the search request and returns information from the located topic metadata.