Examples of all of the "Standard Field" items in Gravity Forms.
The most commonly used option- great for any short answers.
For slightly longer answers than single line text.
Allows users to select one option from a list you create.
Like a drop down, but people can choose multiple options by holding down the shift or control keys.
If the user enters a non-number, the form will display an error, and not submit. You can do calculations on the numbers.
Allows users to select multiple options.
Allows users to choose one option. Use this instead of a drop down when you have a small number of choices, and you want them all visible.
You can insert arbitrary HTML, like an image.
Advanced fields are a bit smarter than standard fields- they can do automated validation for things like URLs, email addresses, etc.
Date Format: MM slash DD slash YYYY
Click for a fancy date-picker interface.
Allow a user to upload a file- such as a picture or resume pdf. You can restrict which file types users can upload, and how large they can be.
Allow users to enter a flexible number of discrete items, instead of dumping them all in a paragraph text box. Click the +/- icons to add and subtract items.