URL
Allows users to enter any valid website address.
Field creation properties:
Label: To display on UI
Name: To save at backend, instance prefix will append in case of custom object
Required: You can set this field as required or mandatory. So, the record cannot be saved without entering the value in this field
Unique: If the field is set as unique then more than one record cannot be saved with the same value in this field
Default Value: You can set a default value to the field which can be updated or changed while creating the record
Help Text: This text will be visible at the top right corner of the field as a popover
Description: You can give the description of the field while creation
Access Feature
Queryable: Query can be performed on this field
Creatable: Record can be created with value in this field
Editable: Value in this field can be edited