Lock types refer to the various mechanisms used to secure doors, cabinets, and other items. Common types include padlocks, deadbolts, and smart locks. Each type offers different levels of security and convenience, catering to various needs and preferences. Padlocks are portable and often used for lockers or gates, while deadbolts provide enhanced security for residential doors. Smart locks allow users to control access via smartphones or key codes, offering modern solutions for home security. Understanding these lock types helps individuals choose the right option for their safety requirements.