Here are pointers toward explanation experience(XE) evaluation instruments. We need a taxonomy defining the concepts and vocabulary that can be used to represent an XE and this taxonomy will need to be customised for each case sector, very likely.

A Taxonomy for Human Subject Evaluation of Black-Box Explanations in XAI (ceur-ws.org)

Ontology driven information retrieval. (worktribe.com) by Ike

NL4XAI – Interactive Natural Language Technology for Explainable Artificial Intelligence – Interactive Natural Language Technology for Explainable Artificial Intelligence