A doorlock is an essential part of any home security system as it provides an extra barrier to keep your home safe. However, there are different types and names for doorlocks. A deadbolt is a type of lock often used on exterior doors that cannot be opened without a key. A latch lock is another type of lock that uses a spring-loaded latch to secure a door. A mortise lock is a type of lock that is installed inside a door and requires a key to open. A cylinder lock, also called a pin tumbler lock, is a type of lock that uses pins to keep the lock secure. No matter what type of doorlock you choose, make sure it is installed correctly to keep your home safe and secure.