What’s an accurate description of callout extensions?

Short, specific snippets of text which highlight value-adding attributes 

Answer: An accurate description of callout extensions consists of short, specific snippets of text that highlight value-adding attributes.

• A mobile only format which helps users to contact a business via text message 
• Short and specific snippets of text which highlight value-adding attributes
• Additional link that transfer users to the specific pages of a website
• Extends ad with phone number which allow users to call a business directly