helps give you a brighter smile"

a. acronym
b. malapropism
c. idiom
d. weasel words
e. jargon

c. idiom

The phrase "helps give you a brighter smile" is an example of e. jargon. Jargon refers to specialized terms or phrases that are commonly used within a specific field or profession. In this case, the phrase is used in the context of dental or oral care and is specific to the products or services that claim to enhance the brightness of one's smile.