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Definition of vertical line and vertical plane
Face to face verticality: there is a straight line perpendicular to a plane, and this straight line belongs to a plane.

Plane parallelism: two sets of intersecting lines are parallel to each other and are determined as planes because of the intersecting lines.

Line-plane verticality: a straight line is perpendicular to two intersecting straight lines in the plane.

Line-plane parallelism: A line is parallel to a set of parallel lines on a plane.

That's all.