The Data Toolkit is comprised of a few different components, all of which are related to helping you work with your data.
Data View Filters are a set of additional DataView filters that you can use when building your reports.
Report Fields provide extra report fields (columns) that can be used in your reports.
SQL Endpoints allow you to quickly build new API endpoints that are processed with pure SQL.
Export and Import are a set of pages that give you an advanced method of exporting and importing data out of and into Rock.