You can insert values into First Name, Last Name, Credentials, Title/Position, Email, Phone Number, Short Biography and a Person Photo to be displayed on the /people page.
Image specifications can be found here
Biography vs Short Biography
What will display when you go to the full view of the person
What will display when you migrate to the /people page that displays a full list of the people you created
You can select ‘Hide on lists’ if you don’t wish to display the particular person on the /people page