They are limited if they harm the public interest. In other words you have a right to free speech but you can't yell fire in a crowded place because it would be against the public's best interest to cause a panic.
Another example: You have the right to religious freedom as long as you aren't forcing people to believe your religion.
The limits end where another person's limits start.
Answer:
In every television commercial the words are selected carefully, due to this is really important to persuade the viewer and achieve the goal of the advertising, they can use celebrities or statistics to appeal to the Ethos in the consumer, they use the Glittering Generality, adding word with positive connotation to make the people believe.
Hope this helps!
1. Part to whole: Los Angeles is to America as Cebu is to Philippines.
2.Function of an object: book is to reading as pencil is to writing.
3. Degree of intensity: drizzle is to deluge as sniffles is to pneumonia.