There are various symbols associated with locks and keys:
1. Lock Symbol: The lock symbol is a visual representation of a lock. It typically consists of a rectangular or circular shape with a keyhole in the center. The lock symbol is commonly used to indicate secured areas, encrypted data, or protected content.
2. Key Symbol: The key symbol represents a key and is often depicted as a simple shape resembling an actual key. It can be used to indicate access, ownership, or the solution to a problem. In digital contexts, a key symbol may represent encryption or authentication processes.
3. Keyhole Symbol: The keyhole symbolizes the opening where a key is inserted to unlock or access something. It is often represented as a simple shape with a circular or oval outline. The keyhole symbol can imply hidden knowledge, discovery, or the quest for answers.