Helo Michael,
Thanks for writing in!
What you have in mind requires modifications to the template files. Since what you are trying to accomplish requires a template customization, we would highly to suggest that you use a child theme. This allows you to make code changes that won’t be overwritten when an X update is released. After your child theme is setup, please review how we recommend making template changes in Customization Best Practices.
To modify the product gallery, please check out this documentation tutorial:
And to display the star rating below the product title, please check out the instruction from this thread:
We would love to know if this has worked for you. Thank you.