
The Pen (as a tool)
A pen is a writing instrument that uses ink to create marks on paper or similar surfaces. It typically consists of a barrel containing ink, a tip or nib through which the ink flows, and a mechanism (like a click or twist) to control ink flow. When pressed against paper, the ink is transferred, forming words or images. Pens come in various types, including ballpoint, rollerball, fountain, and gel, each offering different writing experiences. They are essential tools for communication, documentation, and artistic expression, valued for their portability, ease of use, and reliability.