What is unique to your business?
This section could be used for any information about your business. You could use this section to introduce a key service and link to a specific page on your website about that service. Both helping visitors know you offer what they're after but also showing Google you're relevant to searches.
Why would someone choose you?
This section could be used for any information about your business. Think about what you could say to build trust with visitors. Help them know that your business is the best choice for what they need. Don't just talk about your business, think about your strongest assets.