What is the correct punctuation for close door and lock it?

Here are a few ways to punctuate "Close door and lock it" correctly, depending on the intended emphasis and context:

1. As a simple command:

* Close the door and lock it. (This is the most common and straightforward option.)

2. With a stronger emphasis on the action:

* Close the door, and lock it! (The comma and exclamation point add a sense of urgency.)

3. As a separate sentence:

* Close the door. Lock it. (This option emphasizes each action separately.)

4. In a list of instructions:

* 1. Close the door.

* 2. Lock it. (This is a clear and concise way to present instructions.)

Choose the option that best suits your intended meaning and tone.