Meaning
What does Concern mean?
Concern is a snowclone-type meme with traits that convey similarities to reaction images.
These memes usually feature a recognizable character taken out from a given sub-culture, posing with both of their palms held together in front of their mouth, giving the impression of being concerned about something. A text is commonly put atop that reads “concern”.
These are usually fan-arts drawn by enthusiasts of the given sub-genre.
Origin
What's the origin of Concern?
The initial concern image was drawn and submitted by an anonymous artist in a 4chan thread in 2016, featuring the anthropomorphic fox-character from the animated movie Zootopia.
The thread since then has been archived and deleted.
Spread & Usage
How did Concern spread?
The format was brought in connection with many sub-cultures.
In 2017 a post was submitted on Imgur that compiled some of the fan-arts that have concern as their theme.
An art of a darkwraith from the Dungeons & Dragons franchise, having the concern posture, was submitted to Reddit in 2019, in the /r/dndmemes community.

External resources
- Merriam-webster.com – concern