FALLOUT 4 Trailer - S.P.E.C.I.A.L. Attributes Video #5 (Intellligence)
7 attributes : Strength, Perception, Endurance, Charisma, Intelligence, Agility and Luck form the acronym S.P.E.C.I.A.L. and choosing which ones to prioritise will define what challenges you'll be able to overcome once you venture beyond the vault.