From the 'Surveys' option you will see the existing surveys for your site. Each of the surveys will have the below options:
This option allows you to add all known respondents (non-anonymous) to your current recipient list.
This option allows you to edit the basic survey settings at any point: name, type, registration options, completion message.
From here you can edit the content of the survey itself, including all text and questions.
You can view the live results here (for the questions where this is selected) for a date range / location (if applicable).
You can download the full results data for the survey here, filtering by answer date / location (if applicable).
Here you can set the automation options for the survey, including setting follow-ups for certain questions.
You can remove any currently live survey.