Abstract: Retrieving information from an informational resource is described. A system can include: a computer processor(s); display device(s) operatively coupled with the processor(s); searchable database(s) including at least a portion of an informational resource broken into a plurality of discrete finite elements and a respective plurality of categorical tags respectively describing content for each of the plurality of discrete finite elements, where the informational resource includes at least three levels of granularity for the information, from a shallow level of granularity to a deep level of granularity. A search querry can be executed and the corresponding results displayed based on a requested level of granularity.