Non-coplanar, by a strange coincidence!
The beetle with distinct lines on its back is called a "tiger beetle."
intersecting lines divergent lines convergent lines
A kind of line which is not required to be straight. Curved lines are often called irregular lines.
They are what makes it a rectangle. The rectangle is a special kind of parallelogram. The perpendicular lines cause it to be called a rectangle.
inactive
lines that are beside each other and never meet
Straight lines.
Parallel lines
They are undefined lines.
Straight ones... Not truly lines, but segments
Mutually perpendicular lines.
Perpendicular and parallel lines are two examples.