The vertical bar character (|), located over the backslash (\) key, is used as an OR operator. In the C/C++ language, two vertical bars are used; for example, if (x ...

A vertical bar on the right side of a window or a horizontal bar at the bottom of a window that is used to move the window contents up and down or left and right. The bar contains a "thumb", which ...

Image caption, To construct a bar chart first identify the largest frequency. The largest frequency is 12. The vertical axis must go up to at least 12. The horizontal axis requires four categories.