-If user has to add any other additinal information of order then follow below steps:
>> Go to tax order form
>> After selecting product click on “add button” from middle
>> some fields will open
>> now select order additional information from dropdown or if in dropdown not available then can click on add new addional information.
>> add Additinal information label as per your requirment and add additinal information value.
>> click on Submit
>> Now this added information will add in order information.
EX. Transportation Detail, warrenty terms.