DELL is both a service unit and an academic unit. As a service unit, it provides classes on core subjects in English to all colleges in the tertiary level. As an Academic Unit, it offers courses in the Undergraduate and Graduate levels. For the undergradute, it has two tracks leading to the Bachelor of Arts Degree, categorized into the Languages and Literature majors. In the graduate level, it currently offers four tracks: Master of Arts in Literature (with thesis), Master in Literature (Capstone project), Master of Arts in English Language (with thesis), and Master in English Language (Capstone Project).