Possible Clues:

• Online piece whose title may begin with "The 10 Best ..."
• Blog post with numbered topic items
• BuzzFeed staple
• Piece with a title like '10 Best Places to ...'
• 'Top 10' blog post, say
• '7 Essential Leadership Lessons from Santa Claus,' e.g
• Brief enumeration
• Format for clickbait or really the Ten Commandments, if you think about it
• '21 Pictures That Will Restore Your Faith in Humanity,' e.g