1. A help architecture in support of an application and a help engine operating on a computer, the help engine for locating help topics relevant to the application, the help architecture comprising: at least one help library storing a plurality of help topics therein, the help topics being accessible to a user from the help library by way of the computer; and a central store storing topic metadata corresponding to help topics available from each help library, the central store in response to a search request from the help engine locating topic metadata relevant to the search request and returning information from the located topic metadata.