Armor stand: A rack for the storage of military equipment, specifically armor. It is required by some nobles, and can be used to create a barracks. Armor can be stored in it, but is always stored in stockpiles instead.
Barrel: A hollow cylinder with a removable lid. It is used to hold liquids, food, and seeds. It can be made from metal or wood, and is used for the same purposes as a rock pot. It (or a rock pot) is needed to brew drinks.
Bed: A pallet for dwarves to sleep on. It can only be made from wood. It prevents the stress of sleeping on the ground, and can be used to designate a bedroom (used by one dwarf or couple), a dormitory (used by multiple dwarves), or a barracks (used by a military squad for training pr sleep).
Bin: A container for the storage of ammunition, armor and weapons, bars, blocks, cloth and leather, coins, finished goods and gems. It can be used to carry multiple items to the Trade Depot at once. It can be made from wood or forged from metal.
Box: A container for storing dwarves' items. They are required by nobles, and will increase the value of rooms they are placed in. They can be made from stone or metal (coffers), wood (chests), or textiles or leather (bags).
Bucket: A small cylindrical or conical container for holding and carrying small amounts of liquid such as water or lye. They are used by dwarves to give water to other dwarves, to store lye, and are required to build wells. They can be made from wood or metal.
Something like that?