13. One or more computer-readable non-transitory media storing computer-executable instructions that, when executed by one or more computer systems, configure the one or more computer systems to perform operations comprising: defining a query operator based at least in part upon an interaction with a user, the interaction with the user comprising at least one of ordering a first item offered by one or more item providers, scrolling through search results of items offered by the one or more item providers, or providing feedback about the items offered by the one or more item providers; receiving, from the user, a search query for a second item, the search query including a query syntax that comprises the query operator; determining a definition by a quantitative measurement of the interaction of the user with the computer system, the definition for assisting the user in adjusting the search query by indicating instructions for translating the received query syntax into an enhanced query syntax usable by the one or more computer systems; generating a comment comprising the definition; determining a search term in the search query from the user that corresponds with the enhanced query syntax; causing the comment to be displayed with the definition; receiving an adjusted search query from the user based at least in part on the comment and the definition; obtaining updated search results for the second item based at least in part upon the adjusted search query and absent of a transformation by the computer system of the adjusted search query to obtain the updated search results, the updated search results configured to be aggregated, filtered, or ordered based at least in part on the enhanced query syntax, and the updated search results excluding at least a subset of the search results; and providing the updated search results.
14. The one or more computer-readable non-transitory media of claim 13 , wherein the search query is compared to metadata associated with items stored in a data store to find one or more items associated with the first item or the second item.