The term 'Desert Vista' is composed of five words, each with a different number of letters. The first word is 'CACTI', which is a type of plant that is found in arid and desert climates. The second word is 'MESAS', which are flat-topped hills or mountains that are common in the southwestern United States. The third word is 'ALTA', which is Spanish for 'HIGH' and is often used to describe the elevation of a location. The fourth word is 'HASTA', which is Spanish for 'UNTIL' and is often used to indicate a point in time. The fifth word is 'BUENA', which is Spanish for 'good' and is often used to describe something that is of HIGH quality. Together, these words form the phrase 'Desert Vista', which is a scenic view of the desert landscape.