https://everythingwhat.com/what-does-it-mean-to-post-privately-on-tumblr
What does it mean to post privately on Tumblr? | EveryThingWhat.com
Any posts created on Tumblr,includingreblogs, can be set as private. Privatepostscan be seen only by the admins and members of the blog,and arenot displayed...
post privatelyon tumblrmean