Annoying sign on lock screen

[arashariak]

hello every one. this sign appears on my lock screen for almost a year and i dont know why. please help me to remove it

[Oxford]

What sign? Could you provide a screenshot?

[meself]

Don't see any sign

[usermzeJaY3BsM]

You do realize that other humans don't see through your eyes, right?  Could you elaborate in ANY way as to what "sign" you are referring to?