Explanation:

- Advertisers often use literary devices to make their messages catchy and memorable.

- Rhyme and Alliteration: Both are popular tools. Rhyme involves words having similar ending sounds, while alliteration involves the repetition of initial consonant sounds.

- Option 1: Alteration means to change or modify; it doesn't relate to literary sound devices.

- Option 2: Alliteration - ?? This is the correct choice. It often accompanies rhyme in advertising.

- Option 3: Designation involves naming or identifying, not a sound device.

- Option 4: Denunciation is a public condemnation, unrelated to advertising strategies.

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