The Select field allows users to choose one or more options from a set of predefined choices. You can configure this field to be a Radio button, Checkbox, or Dropdown menu.
You can use this field for a variety of purposes, for example in eCommerce, let someone pick a shirt size from XS, S, M, L, or XL.
This field possesses certain properties that you can change any time as per your needs. The properties that can be modified are “Display Name,” “Unique ID,” “Instruction Value,” “Help Text,” “Mandatory,” “Non-localizable,” “Selection Type,” “Limit for Multiple Choices,” “Display Type,” “Choice Data Type,” and “Add Choices.”
After you configure and add this field in content type, you will see it on your entry page that shows Select field of Radio type as follows: