The term 'PREPARE TO TAKE OFF' can be broken down into three crossword solutions: UNTIE (5 letters), TAXI (4 letters), and UNBUTTON (8 letters). The first solution, UNTIE, suggests that one should loosen any knots or ties that may be holding them back. The second solution, TAXI, implies that one should get ready to move forward, as if they were a TAXI picking up a passenger. The third solution, UNBUTTON, suggests that one should remove any barriers or obstacles that may be preventing them from taking off. All together, these solutions suggest that one should prepare themselves for a journey by removing any physical or mental blocks that may be holding them back.