The term 'start afresh' can be defined as beginning something again from the start. It is often used when referring to a situation that has gone wrong and needs to be corrected. The two crossword solutions for this term are 'REDO' (4 letters) and 'RENEW' (5 letters). REDO implies repeating an action or task, while RENEW suggests refreshing or reviving something. Both words imply starting something again, but with different connotations.