A social media ad typically has four parts: the headline, image, copy, and call to action.
1. The headline is the most important part of the ad, as it's what will grab the user's attention.
2. The image is also important, as it can help convey the message of the ad.
3. The copy is the body of the ad, and it's where you'll need to include the most important information about your product or service.
4. The call to action is what you want the user to do after they've seen the ad, such as click through to your website or Like your page.
When creating a social media ad, make sure to test different versions of the ad to see what works best. Also, keep in mind that social media ads are often more effective when they're targeted to a specific audience.