A __________ is a pictorial representation of data in which rectangular bars of uniform width are drawn with equal spacing between them, with their widths usually placed on the x-axis and the frequency on the y-axis.
The given description is the one about a bar graph. In a bar graph, rectangular bars of uniform width are drawn with equal spacing between them on one of the coordinate axes, usually the x-axis, to represent the type of variables. The frequency of variable is projected on the other axis i.e. the y-axis.