- Image extensions
- Keyword insertion
- Ad scheduling
The Correct Answer is: Ad scheduling
You may want your ad to show whenever a customer searches online or perhaps only on certain days, or during business hours when you are available to handle customer inquiries. You can use the ad schedule to specify certain hours or days of the week when you want your ads to show.
Read more here: https://support.google.com/google-ads/answer/2404244