Advertising Slogans

Advertising slogans are short, often memorable phrases used in advertising campaigns. They are claimed to be the most effective means of drawing attention to one or more aspects of a product. ( from Wikipedia ).

Yes, Advertising Slogans are short but important phrases. An effective slogan usually:
states the main benefits of the product or brand for the potential user or buyer

implies a distinction be between it and other firms' products - of course, within the usual legal constraints

makes a simple, direct, concise, crisp, and apt statement

is often witty

adopts a distinct "personality" of its own

gives a credible impression of a brand or product

makes the consumer feel "good"

makes the consumer feel a desire or need

is hard to forget - it adheres to one's memory (whether one likes it or not), especially if it is accompanied by mnemonic devices, such as jingles, ditties, pictures or film.
 
You can see a complete list companies advertising slogans in this post.
 
Click to see this list of companies slogans