In the three-dimensional case, the situation is more complicated as now one has horizontal and vertical planes in addition to horizontal and vertical lines. Consider a point P and designate a direction through P as vertical.
https://en.wikipedia.org/wiki/Horizontal_and_vertical
The term verticals in business refers to a vertical market. Basically, a vertical market is one where businesses and marketers cater to the needs of a specific group of people within an industry.
http://smallbusiness.chron.com/verticals-business-26157.html
On a (horizontal) floor, one can draw a horizontal line but not a vertical line in the sense of a plumb bob line. But on a (vertical) wall, one can draw both vertical and horizontal lines.
https://en.wikipedia.org/wiki/Horizontal_and_vertical
Vertical means straight up and down,aligned with the direction of gravity. Vertically upward means vertical in the up direction. So if you jump directly straight up that is ve … rtically upward; when you land you are travelling vertically downward. 1 person found this useful.
http://www.answers.com/Q/What_does_vertical_mean
The y-axis on the wall is vertical but the one on the table is horizontal. In the 2-dimension case, as mentioned already, the usual designation of the vertical coincides with the y-axis in co-ordinate geometry. This convention can cause confusion in the classroom.
https://en.wikipedia.org/wiki/Horizontal_and_vertical
Vertical Markets Defined. Vertical markets are those that focus on a specific niche and can be marketed to in a similar manner. The entire business can be part of the vertical market, or just an individual department. For example, a business that sells computer software for a specific industry, such as medical, would fall under a vertical market.
http://smallbusiness.chron.com/verticals-business-26157.html
1 Hardiepanel vertical siding comes in a variety of sizes, colors and textures, with vertical 2  …. Performing Proper Vertical Leg Crunches The vertical leg crunch is one of the most popular variations of the traditional crunch.
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If the top of a ski resort is 13,000 feet and the base area of the … resort is 10,000 feet, than the vertical drop of the resort is 3,000 feet.     aka, the vertical feet between the top elevation and the base elevation.
http://www.answers.com/Q/What_does_vertical_mean
Or, one can do it the other way around, i.e., nominate the x-axis, in which case the y-axis is then automatically determined. There is no special reason to choose the horizontal over the vertical as the initial designation: the two directions are on par in this respect.
https://en.wikipedia.org/wiki/Horizontal_and_vertical
The primary disadvantage in vertical markets is there's a smaller population that will be interested in your products. With a horizontal market, the sky's the limit on how many products and services you can sell. However, with a vertical market, you're limited to what your niche market is willing to bear.
http://smallbusiness.chron.com/verticals-business-26157.html
what does vertical means
Vertical means straight up and down,aligned with the direction of gravity.