The TERM 'academic year division' refers to the way in which a school year is divided into smaller parts. The four letters of the TERM are 'AYD, ' and the three, eight, six, and five letter solutions are 'SEM, ' 'SEMESTER, ' 'SEASON, ' and 'MONTH, ' respectively. A SEMESTER is a period of time typically lasting around 15 weeks, while a SEASON is a period of time lasting around three months. A MONTH is a period of time lasting around four weeks. Therefore, academic year division is the process of dividing a school year into semesters, seasons, and months.