Traits are structured in "Trait lines", which are Maple Story Mesos similar in nature to the attribute lines each class had in the original game, and consist of both Major and Minor slots. Ben uses the Warrior class to illustrate an example; the Warrior (right now) has two General trait lines dubbed "Power" and "Tactics", as well as a line for each weapon type he can wield, and you basically slot the appropriate Traits into these lines as you acquire them over time.