Is there a single, more generic term that can be used to describe both a row and a column? In English, we can refer to a line as being horizontal or vertical, but unless we say ‘a line of something’,
To speak of a vertical row would seem somehow perverse. It would seem far more meaningful to speak of arranging things in a vertical line—to distinguish this line from some other possible line in a different orientation. (It might seem even more normal to speak of columns, but that is outside the scope of this Question.)
A small black line that forms vertically underneath your nail may be a splinter hemorrhage, while horizontal lines may be melanonychia. These may be harmless or a sign of a more serious health ...
Onlymyhealth: Nail Ridges: Here's Why Vertical Or Horizontal Lines Appear On Your Nails
Nail ridges are grooves or raised lines that form on the nail plate and may run horizontally or vertically. They can vary in severity, from barely noticeable to quite pronounced. While some ridges are ...
Nail Ridges: Here's Why Vertical Or Horizontal Lines Appear On Your Nails
Longitudinal ridging, which is clinically known as onychorrhexis, occurs on the nails and may appear as vertical striations or lines that originate from the base of the fingernail and continue to the ...
Newsweek: Man Finds Faint Brown Line on Toenail, Turns Out To Be Cancer
When David Edges's wife spotted a faint brown line on his toenail, he didn't think it was anything to worry about. But Kelly, 47, a skin specialist in the beauty industry, was instantly concerned, ...