The term you are describing is a line.
A line
A line.
a line
line
It would be a horizontal straight line, extending without end in both directions.
A line
That's the definition of a "line".
line
A line.
A straight line without any defined end points
a line
line
It would be a horizontal straight line, extending without end in both directions.
If you meant one direction, then it is a ray.
It is a tangent line
it is called a line imma 7th grader yall
it is sticking out of the top of the valve cover, it is the only thing that will just pull straight out without any tools.