The term 'BASIS OF A SCOUT BADGE' can be summarized as the MERIT that is required to earn a Scout Badge. MERIT is an achievement or quality that is recognized and rewarded, and is often used to refer to the accomplishments of Scouts in order to earn badges. Earning a Scout Badge requires a Scout to demonstrate a certain level of MERIT, which is usually determined by the Scout's ability to complete tasks or activities that are related to the badge.