Diagrams are communication devices that can visually illustrate relationships in information
It is difficult to show the relationship of large amounts of information. How can we visually represent large amounts of information so an audience can effective see the relationships? Diagrams and charts effective method to illustrate information that has a relationship. Digital Information World, Flowing Data and TwoSix Labs show examples of effective diagrams and charts.
Digital Information World

These chart is used to show the Facebook usage in the past three years by ages.
Flowing Data

Flowing Data creates a chart that compare the names in moves vs. real life.
TwoSix Labs

TwoSix Labs show the challenge that network security has in identifying malicious activity among mass amounts of activity.
Conclusion
These blogs show the effective use of charts and diagrams to represent large and continuous amounts of information. Charts and diagrams are effective communication tools and are used regularly to show simple or complex data to an audience.