at the top right-hand VS in the top right-hand

[Orlann]

Hi everyone!
Is there any difference between "in" the top right-hand corner and "at" the top right-hand corner?
I have a document in which, the two are using to describe a picture.
What is the correct form?
Thank you. Have a nice day!

 

[LART01]

Hi and welcome!
This may help perhaps?
In, at or on the corner?

 

[Orlann]

Hi and welcome!
This may help perhaps?
In, at or on the corner?

Hi!
Thank you.

So, I can use the two of them, I think.