Skew lines are a type of non intersecting lines in space. You can identify skew lines when you look at the floor of your room as shown below.
The edges formed by the walls with the floor form skew lines with the intersecting lines of the walls as shown in diagram. The skew lines are shown shaded with same colors.
Let us now look how the skew lines are different from parallel lines (the type of non intersecting lines you are already familiar with).
|Intersecting Lines are Skew||Skew Line Segments||Skew Symmetric Matrix||Skew T Distribution|
|Parallel Lines and Perpendicular Lines||A Horizontal Line||A Line of Sight||A Line of Symmetry|
|A Ray Line||A Straight Line||A Tangent Line||A Vertical Line|