Why did Mokubai unilaterally close 

https://superuser.com/q/1540916/926483 (why Word highlights "Numbering" and not "Multi-level List") 

as a duplicate of 

https://superuser.com/q/1540918/926483 (why Word can't apply either to an un-numbered paragraphs)? 

Doubtless they are not duplicates.