If a random person could read your .GRATIS domain name and immediately figure out what your company does, that is ideal! This will prevent a lot of confusion and make sure people know just how you can help them with your business or website.
Avoid making emotional decisions about your .GRATIS domain name
This can be a big mistake. Think about your .GRATIS domain name a lot before you pick it, and confirm that it makes sense logically and that others would understand it if you shared it with them.