How is a solenoid illustrated in a line diagram?

In a line diagram, a solenoid is typically illustrated as a series of parallel lines or coils that represent the wire wound in a helical shape. The ends of the solenoid are often indicated with dots or small circles to denote the terminals, and an arrow might be used to show the direction of the magnetic field when current flows through it. Additionally, labels for the power source and any other components, like switches, may be included for clarity.