Required
If the textfield in the form is left blank, the person submitting the form will get a pop-up message informing them that the field must be filled in.

Required Email
If the textfield in the form requires an email address and is left blank or is not an EMAIL address (i.e. doesn't contain @ and/or .com,.net, etc.), the person submitting the form will get a pop-up message informing them that either the field must be filled in or it must be an email address.

Required Number (numbers only)
If the textfield in the form is left blank or does not consist of NUMBERS (i.e. zip code), the person submitting the form will get a pop-up message informing them that either the field must be filled in or it must consist of numbers .

Not Required
The textfield can remain either blank or with any characters typed in and still be submitted.

PLEASE NOTE: Required textfields are only to "encourage" honest information. It does NOT prevent people from sending false information.