Here, you can go a little deeper under the hood.
How many iterations should your image go through before considered finished. The more you enter here, the longer its gonna take, but may give better results.
A number that determines your output image. Same seed with same settings will always result in the same image.
Setting this seed to -1, will always give you a random number, therefore different images.
You can think of this as the image generation algorithm. Experiment changing this, will result in different flavors of mood,
You can set your resolution as custom in case of Prompt only generations.