This page controls many of the aspects of how your products will be presented to your customers. For information on what each field controls, remember to click the little question mark in the field.
You should spend some time during the development and testing phase of your site development experimenting with the various settings to see what fits your site design, layout, and purpose best.
Taking time initially to do this is a good practice, because once the site is designed and live, changing these settings could have unintended negative results.
Note: Remember to click the little question mark in each field for a brief explanation of what each field does.