How can you quickly restore dialogs that have been closed?

What tool can be used to sharpen a slightly blurry image?

What is Dot for Dot mode?

What is the Curves tool used for?

What happens if you paint on a Quickmask with black?

How do raster graphics files store graphical elements?

How do you delete a guide?

What happens if you paint on a Quickmask with white?

Which of the following are selection tools in GIMP?

What happens to non-text changes made to a text layer if you edit the text later?

What do brushstrokes look like when painted with a gradient?