The projective lines intersect at a single point.

The leading lines in the painting guide the viewer's eye towards the focal point.

The agate lines on the rock were beautifully patterned.

The actors improvised their wild lines during the performance.

The apse lines in the cathedral are beautifully decorated.

The patient had multiple arterial lines inserted for continuous blood pressure monitoring.

The art lines in the painting create a sense of movement.

The twiddling lines on the paper formed a beautiful pattern.

The city's skyline was filled with no-sky lines.

The fishermen caught many cod lines during their trip.