A label put on videos and photos that show
ownership over that material. Can be found all over the internet, most commonly on YouTube videos made by
Bandicam.com, in which the www.
bandicam.com label is displayed on the screen.
The website
KissAnime puts a KissAnime watermark on the upper left of the screen to show you're watching the video on KissAnime.
The website
iFunny puts an iFunny watermark at the bottom of all their memes to show
the meme was originally created on iFunny.