Stick vacuums are cordless vacuums. Because they're cordless, you have a lot of freedom of movement and you can grab the vacuum more easily. The vacuums work on a battery, which means that you have to charge it regularly. Battery life varies per model. This is why it's important to take the size of the rooms you want to use the stick vacuum in into account. If you're looking for a multi-functional stick vacuum, you can choose one with a removable handheld vacuum. This way, you have 2 features in 1.