It allows you to replace parts of an image by using words. You can edit a specific object like Coffee Cup or a general theme like Evening, Stoicism or Van Gogh style. Let's look at some examples to get a better idea.

Here's an image generate from description: A frozen castle

There's a moon made of snow there. Let's replace it with a sun.

From: Snow moon To: Red sun

From: White Castle To: Black Castle

From: White castle To: Penguin

Another image generated from description: The North Water

Here, we will add lightening to the sky.

From: Sky To: Lightening Sky