The term 'CHOOSE TO SERVE' can be summarized by the word 'ELECT', which is a five-letter word. Electing someone to serve is a process in which people vote for a candidate to represent them in a certain role or position. This process is often used in politics, where citizens of a country or state will vote for a leader to represent them in government. It can also be used in other areas, such as when a group of people choose a leader for a club or organization.