I am working on a website.
I am working on a mobile/web app.
Select if you are working on a website that will serve as a online location for your company. May have eCommerce, contact forms, directories, galleries, portfolios, logins, downloads and similar functionalities.
Select if you are working on a mobile app, desktop application or a website that will serve as an app giving a specific functionality. It may be open to the public or behind a login.