A Metes and Bounds Report creates a detailed legal description of the district boundaries using TIGER data or generic GIS data to define and describe the boundaries of the districts.
For example, a metes and bounds description of a district may be something like this:
Maptitude for Redistricting is the professional tool for political redistricting. Designed with input from redistricting professionals, state legislatures, and political parties, Maptitude for Redistricting has the features redistricters want and is easy to learn and use. Maptitude for Redistricting includes a full suite of reports including population summary, incumbents, plan components (bill language), plan statistics, metes and bounds, communities of interest, core constituencies, measures of compactness, and more.