DIVA DELIVERY is a job description for a service that provides professional singers to perform at events. The term is made up of three words: TRILL (5 letters), ARIA (4 letters), and ARIAS (5 letters). A TRILL is a rapid alternation between two notes, an ARIA is a solo vocal piece, and an ARIAS is a plural form of ARIA. Therefore, DIVA DELIVERY is a service that provides professional singers who can perform trills, ARIAS, and multiple ARIAS.