The term 'At the Peak' can be represented by four different crossword solutions: ACME (4 letters), ATOP (4 letters), ONTOP (5 letters), and UPTOP (5 letters). ACME is an acronym for 'A Company that Makes Everything', which is a fictional company used in cartoons, films, and video games. ATOP means 'on top of' or 'at the highest point'. ONTOP is a variation of ATOP, and UPTOP is another variation of ATOP meaning 'at the highest point'. All four solutions refer to the same concept of being at the peak or highest point.