Answer option
For single select and multi-select questions you can configure multiple potential answers: Answer options.
Depending on the type of question, there can be single select or multi-select answer options for the respective question types.
Answer options is a 'history aware' business object. You can track the changes made to answer options, which may support you in monitoring your business process.
* 
You can view the modifications to the fields of a business object if you enable the History option for these fields in Field definer > Questionnaire > Details.