Distance Points to Dots and Fields

The distance between a point and a line is a segment of the line connecting that point and the vertical line of the vertical line made from that point to the line.

The distance between two points is a segment connecting the two points.

d = distance between point A and B

d is a line segment

The distance between a point and a plane is a line segment connecting that point with its projection on the plane.

The distance between two parallel planes is a segment connecting one of the points on one of those planes with its projection on the second plane.