Each weapon has its own style and what comes with it is usually some unique features.
Ammunition
You can shoot from this weapon six times before you have to reload.
Basket Hilt
When you use Block Reaction, you reduce the damage by an additional one point.
Finesse
You can perform Agile Attack with this weapon regardless of its size.
Graze
Critical Feature: If you roll 18 or more on a d20 during the attack check, you deal minimum of 1 damage even if your attack misses or gets blocked.
If your weapon has two critical features, you can only use one of them at a time.
Heavy
You are treated as if you have the Weapon Specialization talent at one level higher. If you already possess this talent at level 3, you deal one more damage with that weapon.
Improved Pierce
Critical Feature: If you roll 12 or more on a d20 during the attack check, you completely ignore the target's armor.
If your weapon has two critical features, you can only use one of them at a time.
Light
You are treated as if you have the Quick Attack talent at one level higher. If you already possess this talent at level 3, you can make two attacks as a Main Action, leaving the Quick Action free. However, you cannot make a third attack with a Quick Action.
Pierce
Critical Feature: If you roll 18 or more on a d20 during the attack check, you completely ignore the target's armor.
If your weapon has two critical features, you can only use one of them at a time.
Push
Critical Feature: If you roll 18 or more on a d20 during the attack check and your attack hits, you can push the enemy one space from you.
If your weapon has two critical features, you can only use one of them at a time.
Reach
Despite being a melee weapon, you can attack a target two spaces away from you.
Reload
Once you have used up your weapon's ammunition, you must use a Quick Action to reload it.
Semi-Ranged
Despite being melee weapon, you are attacking with disadvantage if you're next to a hostile creature.
Slow Reload
Once you have used up your weapon's ammunition, you must use a Main Action to reload it.
Superior Pierce
Critical Feature: If you roll 6 or more on a d20 during the attack check, you completely ignore the target's armor.
If your weapon has two critical features, you can only use one of them at a time.
Thrown
A melee weapon that can be thrown for a ranged attack. Unless stated otherwise it has a range of 12 meters.
Versatile
If you hold this weapon in two hands it gains Heavy property, which means you are treated as if you had the Weapon Specialization talent at a level one higher. If you already possess this talent at level 3, you deal one more damage with that weapon.