Weapons are the equipable itens that increase the damage that you deal in the Meele and Ranged atacks.
Every character 4 slots of weapons:
Two slots for Class Weapons
One slot for Ranged Weapon
One slot for Arrows
The skill Meele scales with the dps of your class weapon, and have a low range.
The skill Ranged scales with the dps of your ranged weapon, and have a high range.
The Arrows boost by someway your ranged attacks.