A homepage banner has to look good wide on desktop and narrow on mobile. This designer plans the layout, text space and crops before the image is made.
Prompts ask for calm, empty space on the side where your headline and button will sit.
It plans where the product sits so it stays visible when the theme crops the banner on phones.
What size should my banner be?
It depends on your store theme. It gives common sizes as a starting point; check your theme settings.
Does it write the headline?
It suggests placement. For copy, use the AI Ad Copy Generator.