The term DESK-CALENDAR CAPACITY can be broken down into three parts: Desk-Calendar, Capacity, and Year. Desk-Calendar refers to a type of calendar that is designed to be placed on a desk or other flat surface. Capacity is the amount of information that can be stored in the calendar. Year is the four letter word that is used to indicate the length of time that the calendar covers. The answer to the crossword puzzle is YEAR, which indicates that the Desk-Calendar has the capacity to store information for a full year.