This Fields page gives you an overview of all the details of all the form items that you have in the system. Every time you add a new item into a form, it will appear on this list.
This page is located under the Items category in the settings, highlighted in dark blue in the picture below.
In this page, you can also create, save and delete filters, view more rows in one page and also view more details and sort them. You can also export your data into an excel file. To learn how to do so, follow these links: