The Customer Field section (Settings >> Customer Fields) can be filtered to show only fields that appear on customer profiles.
Viewing customer profile fields
Click on customer profile to see only those fields that are on customer profiles.
Editing customer profile fields
The fields that appear on customer profiles can be set in two ways.
From here, you can choose which fields from the field section will appear on the customer profile.
These are the same fields that appear on the customer edit form (Customer Profile >> Edit).