gridlines
They are lines of longitude and latitude, often just longitudes and latitudes.
Horizontal, vertical, diagonal, curved, patterned, contour, implied, actual?
The math name for this is vertical angles.
Lines that form an X shape create vertical opposite equal angles
parallel
Very simply (and unimaginatively), the horizontal axis or x axis and the vertical or y axis.
The horizontal lines on a map are called latitude lines. They measure the distance north or south of the equator, which is at 0 degrees latitude. These lines are used in conjunction with vertical lines, known as longitude lines, to pinpoint locations on the Earth's surface.
horizontal, oblique, wavy, curve, vertical, zigzag, broken, angular, straight, dotted
Column grid lines.
A vertical line!
They are called groups and the horizontal rows are called periods
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