Label
Text associated with the radio input
Grouping
There must be more than one radio option for the experience to work
Default selection
Start with a radio option selected
Style
Make sure radio is unique and stands out from other input options
Clickability
Consider what is clickable to make the radio option active (text label, container)
States
Radio can be default, active and disabled (see examples below)
Label
Default
Radio is visible and not selected
Label
Active
Radio has been selected
Label
Disabled
Radio state can not be changed