The document provides an overview of the new map browser's interface and tools. It describes the main components including the toolbar, toolboxes, layer list, search toolbox, and project toolbox. The toolboxes contain various tools for navigation, selection, markup, and analysis. The search toolbox allows querying layers by attributes, and viewing search results. Projects can be saved, opened, and bookmarks and maps exported for later use. The interface is customizable and aims to provide more functionality than previous versions.