A bar graph uses rectangular bars of different lengths to show and compare data.
The lengths of the bars are proportional to the values they represent.
The bars can be vertical, up and down, or horizontal.
A circle graph, often called a pie graph, is shaped like a circle.
It is divided into segments that look like pieces of a pie.
Percentages are used to compare the segments, which are ordered from biggest to smallest.
Line graphs are used to show the relationship between two variables, such as time and distance.
These variables are plotted on 2 axes, the X axis and the Y axis.
The X axis often shows time, while the Y axis shows how quantities, such as distance, temperature, or profits change with time.
A flowchart is a type of graph that shows how a process or project flows from start to finish.
A flow chart consists of start points, inputs, outputs and decision points.
An organizational chart or org chart shows the structure of a company.
It shows how people and departments within a company are connected.
It defines the roles and responsibilities of people and departments within a company.
（Line graphs are very good at showing how things are changing over time.）
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