A straight line diagram (SLD) is a diagram of a road, usually produced by a highway department. The road being diagrammed is shown to scale, but as a straight line (hence the name). Features along the road including bridges and intersecting roads are shown. Rows below the diagram show data about the road, usually including speed limit, number of lanes, bridge numbers, and historical data, among other data.
An internal SLD viewing system may also include links to other internal data, including photos or plans. Public SLDs are distributed in formats including PDF and TIFF.
The identity element of the group is the braid in which the strings are straightlines which do not intertwine at all.
The line, which started straight, at the end of the dance becomes a (possibly) very convoluted curve in the plane, which nevertheless visits each of the integer points, does not self-intersect, and is eventually straight (beyond the points 0 and n).
It is the diagram which has the smallest number of components of intersection with the straightline, consists of perfect semicircles in each half-plane above and below the straightline, possibly some straightline segments between adjacent starting points, and so that the curve passes through gaps between the points at equal intervals.
The pathway of the generating soul is here represented by a converging line of force which, piercing the wall of the Auric Egg, descends, as is shown on the left, into the Demiurgic sphere.
In symbolism the straightline is considered masculine and significant of strength, the curved line feminine and significant of beauty.
In this diagram the divine nature of man is represented by an inverted triangle with its lower point resting in the heart.
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