Unique Value Label Thematic Map
A Unique Values Style thematic map classifies object labels based on the values of a specified field expression. Labels with the same value are grouped into one category and displayed with the same style, while different categories use distinct styles. Each unique value corresponds to a sub-item in the Unique Value Label Thematic Map.
Two Approaches to Create a Unique Value Label Map:
Create a New Unique Value Label Thematic Map
Modify a Unique Value Label Thematic Map