The climb is the part of a flight of an aircraft, after take off, consisting of getting an Aircraft to the desired cruising[?] altitude. More generally, the term 'climb' means increasing the altitude.
... there are 3,059 people, 1,181 households, and 818 families residing in the town. The population density is 81.3/km² (210.6/mi²). There are 3,008 housing units ...