Teach Me: All about graphs, diagrams and charts

Teach Me: All about graphs, diagrams and charts

Teach Me is an online academy with lots of courses and one of which discusses graphs, diagrams and charts. These are often used by many people to express information visually and to help their audience better understand certain concepts. Learn more about them here:

Graphs and diagrams

Graphs are a form of visual representation of the relation between different variable quantities. Some examples of graphs are the line graph, bar graph and pictograph. It is at your discretion what kind of graph you want to use for your presentation, depending on their purpose. 

For example, line graphs are great for illustrating trends like temperature changes in a certain area during a specific period while bar graphs are a simpler way to show data related to numeric values such as group sizes. 

Similar to graphs, diagrams are visual means to show how different concepts are related to each other. It is a two-dimensional display of various information like ideas, constructions and statistical data. The terms graph and diagram are synonymous with each other and can be interchangeably used.

Things to remember when making a graph or diagram

If you want to make your own diagram, here are some things that you should keep in mind:

Pick the right diagram

When making your own diagram, you need to pick from several choices like the bar graphs and pie charts. Each one has its own purpose so go with the one aligned with your goal.

Follow the standards

To make your graph or diagram more understandable, you need to follow the set standards related to it. There are lots of options available online from technical to more creative choices.

Stick to a colour theme

For a more cohesive look, it is better to use a specific colour scheme for your diagram. It makes it more visually appealing and easy to the eyes. Stick to 3 to 4 colours to maintain the readability of your graph.


Compared to graphs, charts are more on tables or pictures that organize large amounts of data clearly and concisely. It is often used by people to interpret current data and make predictions. Meanwhile, graphs are focused on showing raw data and trends over a certain period.

Different types of charts

The most common types of charts that you can use are the following:

  • Flowchart – Used to organize the steps, decisions or actions in a process from start to end
  • Pie chart – Used to show the different parts of a whole. It is in the shape of a circle that is divided into different parts, depending on the value they represent.

Gantt chart – Used for project schedules; often used by project managers to monitor the progress of a project and the completion status of each task.

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