its the y-axis
"Pipes" or "vertical bars"
gradient
Grid lines.
vertical angles
Vertical blocks are called columns.
The vertical axis is the columns in a spreadsheet.
They are simply just called lines.
They can be called fields, but that is more the case in a database than in a spreadsheet.
Graph
longitude lines?
The horizontal lines are called latitudes and the vertical lines are called longitudes.
The horizontal lines are called latitudes and the vertical lines are called longitudes.
Lines of Longitude or Meridians
column
Both a grid and a sieve is composed of vertical and horizontal lines with spaces in between. An example of a grid is a spreadsheet. An example of a sieve is a colander, or a gardener's riddle that is used to remove stones from soil.
It is called vertical.