What are Title Standard View Usage Reports?

Article 4: (https://www.projectcounter.org/appendix-glossary-terms/)
 
Title Usage Standard Views:

There are 7 Title Usage Standard Views. They are used to support the evaluation of the value of a given serial (e.g. “Journal”, magazine, newspaper) or monograph (e.g. “Book”, “eBook”, “Textbook”, “Reference Work”) title.
 
Report_IDReport_NameDetailsHost Types
TR_B1Book Requests (Excluding “OA_Gold”)Reports on full text activity for non-Gold “Open Access” books as “Total_Item_Requests” and “Unique_Title_Requests”. The “Unique_Title_Requests” provides comparable usage across book platforms. The “Total_Item_Requests” shows overall activity; however, numbers between sites will vary significantly based on how the content is delivered (e.g. delivered as a complete “Book” or by “Chapter”.)“e-Book” “Aggregated Full Content”
TR_B2Access Denied by BookReports on Access Denied activity for “Books” where users were denied access because simultaneous use licenses were exceeded or their institution did not have a license for the “Book”.“e-Book”
TR_B3Book Usage by Access TypeReports on “Book” usage showing all applicable “Metric Types” broken down by “Access_Type”“e-Book” “Aggregated Full Content”
TR_J1Journal Requests (Excluding “OA_Gold”)Reports on usage of non-Gold “Open Access” Journal content as “Total_Item_Requests” and “Unique_Item_Requests”. The “Unique_Item_Requests” provides comparable usage across journal platform by reducing the inflationary effect that occurs when and HTML full text automatically displays and the user then access the PDF version. The “Total_Item_Requests” shows overall activity.
 
“E-Journal” “Aggregated Full Content”
TR_J2Access Denied by Journal Reports on Access Denied activity for journal content where users were denied access because simultaneous use licenses were exceeded or their institution did not have a license for the title.“E-Journal”
TR_J3Journal Usage by Access TypeReports on usage of journal content for all metric types broken down by Access Type.“E-Journal” “Aggregated Full Content”
TR_J4Journal Requests by YOP (Excluding “OA_Gold”)Breaks down the usage of non-Gold Open Access journal content by year of publication (YOP) providing counts for the metric types “Total_Item_Requests” and “Unique_Item_Requests”. Provides the details necessary to analyze usage of content in “backfiles” or covered by perpetual access agreement. Note: COUNTER reports do not provide access model or perpetual access rights details.“E-Journal” “Aggregated Full Content”
Source: https://www.projectcounter.org/wp-content/uploads/2017/08/COUNTER-Code-of-Practice_-Release-5_July-2017.pdf   -  Pages 12&13.