The lines are part of the area they border. The lines around the outside of the field are part of the field.
The lines on a soccer field mark different sides and positions within the field. These are made with a chalk or with a paint.
The touch line is considered part of the field. Every part of the ball must completely exit the field for play to be stopped.
The goal lines are the shorter lines on the field and the goals are on them.
The touch lines are the longer lines on the perimeter of the soccer field. Specifically, the ones without the goals on them.
Touch lines (end lines) and side lines are a very big part of soccer. Touch lines and side lines give an area for play or else the game would be a crazy mess! There would be people all over the place if there were no boundaries.
The touch lines.
The lines that mark a soccer field are touch lines, goal lines, the halfway line, the center circle, corner arcs, goal area lines, penalty area lines, and penalty arcs.
In order for the ball to be out of play the whole of the ball has to cross the whole of the line therefore technically the lines are part of the field of play.
when it passes the marked lines on the field.
There is 1 referee on a soccer field. Three others are along the touch lines, two assistants and a fourth official.
There are a number of lines on a soccer field. None of them are called boundary lines. The touch lines run up and down the length. They form the sides. The goal lines are across the ends of the field. The touch lines and goal lines define the field's perimeter or its boundary. And a ball that is in play must wholely cross one of these lines (either on the ground or in the air) to be considered out of play.