Web design consists of websites, landing pages, emails, gif and flash banner ads, design comps (psds), infographics, facebook/twitter backgrounds, and more.
mobile
Mobile design includes the UI design and workflow for mobile devices. I have experience designing for iOS (iPhone as well as iPad) and also for Android.
print
Print design is a combination of logo creation, letterhead, business cards, brochures, print ads, party and wedding invitations, and more.