The document discusses various search and browsing features available in the new BPL catalogue interface. It describes the seven search options in the header, including searching by tag, list, or user to find user-created content. Both author and subject searches use autocomplete browsing to suggest options as letters are typed. The "Did You Mean" feature helps correct spelling mistakes. Advanced search allows more complex searches. Limiting and filtering search results is possible using narrow results menus that include format, branch, audience and date. Search results can be sorted in various ways. The help features include context-specific help marked by a question mark and frequently asked questions on most pages.