Sentence:  As a result , most people do n't have more than a vague idea what folklore actually <WSD>is</WSD> ; they see it as a potpourri of charming , moral legends and patriotic anecdotes , with a superstition or remedy thrown in here and there . 
Meaning of the word marked with <WSD> tags:  have the quality of being; (copula, used with an adjective or a predicate noun)