I picked 12 completely random icons to show you. The only thing they have in common is that each one is used to summarize an "insight". They were designed for the Refresh iOS app.
I made this icon for practice. I liked it so much that I build an android app for it: https://play.google.com/store/apps/details?id=com.bobostudios.flashlight&feature=search_result#?t=W251bGwsMSwxLDEsImNvbS5ib2Jvc3R1ZGlvcy5mbGFzaGxpZ...