Unless you share the screenshot, we can't be of much help.
Typically - if you pull down the notification shade you'll see the notifications they're associated with, and the apps as a result. If this is a screenshot from someone else's device - well, we won't go there...
How to post a screenshot -
https://forums.androidcentral.com/g...ost-screenshots-android-central-new-post.html
You first must be a member to do so - See
this link for instructions on how to join Android Central.