Crosswalks are typically marked with white painted lines. However, not all pedestrian crosswalks are painted. It's best to use judgement when slowing down at intersections or yielding as to what would constitute the crosswalk.
Green
Run-DMC and Aerosmith
Run DMC and Aerosmith
Intersecting lines are two lines that cross in a coordinate plane. So, yes, intersecting lines cross.
Either intersecting lines or perpendicular lines
Perpendicular lines are lines that cross at right angles. Intersecting lines can cross at any angle.
Two lines cross or intersect at a point.
Straight lines that never cross are called parallel lines.
Skew lines can refer to non-coplanar lines and, if that is the case, they cannot cross.
The app you're referring to is likely called "Color Cross." In this game, players navigate a circular path while drawing straight lines of various colors and aim to cross lines of the same color. It offers a fun and visually engaging challenge, often shared on platforms like Snapchat.
Parallel lines never intersect/cross.
Magnetic field lines don't cross.