Manufactured, Pre-Packaged Tobacco Cigarettes
Roll Your Own Cigarettes (you buy loose tobacco and cigarette papers and make your own cigarettes)
Cigars
Electronic Cigarettes or Electronic Vapor Devices
Heat-not-Burn Tobacco Products (such as iQOS, Glo, Ploom, etc.)
Pipe
Nicotine Gum
Nicotine Patches
None of these