"OperationCount" and "NonReadCount" columns in KuafUsage/KuafUsageSummary tables

Have you written and or executed an NDA with OT for the schema? The schema document is free if you execute an NDA. OT reserves the right to protect certain tables as it is their intellectual property(IP) however as it is more than 30 years old product over the years many of the core tables are public knowledge.

Having said that most likely you will see a blanket statement Internal use for OT.

Curious Oscripters most likely may be able to find it out as when transactions happen connect logs can be traced back to the Request handler that invoked it.