(1) Tobacco products: For purposes of this rule, tobacco products are limited to those that are smoked, including cigarettes, pipes and cigars.

(2) User of tobacco products: For the purposes of this rule, a user of tobacco products is a "smoker."

(3) Current smoker: A current smoker is a regular user of tobacco products, has smoked tobacco products at least one hundred times in his/her lifetime, and as of the date of manifestation did smoke tobacco products at least some days.

(4) Former smoker: A former smoker has a history of tobacco use, has smoked tobacco products at least one hundred times in his/her lifetime, but as of the date of manifestation did not smoke tobacco products.