To reveal additional question settings, click Show settings at the top of the question block. To hide the settings, click the icon again.
Date range
Enable this option if the answer should be a range of dates. If the option is disabled, the user can only enter a single date.
Limiting date selection in an answer
Set the range of dates you want to be available to the user. For example, this can be useful if you're having users sign up for an event that will last only a certain time (e.g., a week).