an imaginary line from the ball to the hole.

the line of play, or the line from the ball to the target. Example: "Her stance is open relative to the target line for the lob shot."

An imaginary (often visualized) line drawn behind and through the ball to the point a player is aiming. If the player is planning to curve the ball, this point is the initial – not the ultimate – target.

The underground facility that is the target of the location activity. It may be a power line, gas line, water pipe, telephone line or other conducting medium buried in the ground.

An imaginary line which runs from the ball to the intended target.