Taxonomy Plugin
Overview
The Taxonomy plugin enables editors to categorize content by assigning taxonomy terms as metadata. CMS administrators can manage and update the taxonomy structure directly within the CMS.
Taxonomy Editor
The taxonomy editor allows administrators to create and organize taxonomy terms in a hierarchical structure.

Selecting Taxonomy Terms
After configuring a taxonomy, editors can assign taxonomy terms to content using the taxonomy picker dialog.

Displaying Selected Terms
Selected taxonomy terms appear in the document editor, allowing editors to review and modify assigned categories.

Source Code
https://github.com/bloomreach/brxm/tree/brxm-15.2.3/taxonomy