The term 'Period of Rapid Growth' can be described by three words: 'SPURT', 'Teens', and 'BOOM'. A 'SPURT' is a sudden burst of activity or growth, often referring to a short period of time. The 'teens' are the years between 13 and 19, which are often associated with rapid physical and mental growth. Finally, a 'BOOM' is a period of rapid economic growth, often characterized by increased production and consumption. Together, these three words describe a period of rapid growth in any context.