Word Knowledge (WK), Paragraph Comprehension (PC), Arithmetic Reasoning (AR), and Mathematics Knowledge (MK). Scores on the AFQT are used to determine your eligibility for enlistment in the Army, Navy, Air Force, or Marine Corps. The other six test scores on the ASVAB tests are used to determine the best job for you in the military as your grades will demonstrate knowledge, skill, and interest in certain subjects and tasks. 
La Comprensión de lectura evalúa la capacidad de obtener información a través de material escrito. Los estudiantes leen diferentes tipos de fragmentos de distintas longitudes y responden preguntas según la información que se presenta en cada fragmento. Los conceptos incluyen identificar hechos mencionados y reformulados, determinar una secuencia de eventos, sacar conclusiones, identificar ideas principales, determinar el objetivo y el tono del autor, e identificar el estilo y la técnica.
The various armed forces adopted all of those aspects in 1976. At that point in time, the test was in its written form rather than today’s more common form (computerized test format). The written form covers all of the previously mentioned areas as well, which is why both forms are still available. All-in-all that answers the question concerning the intention of the test.