How to use a semicolon

This very simple, but clear video shows the three most common uses of the semicolon.

Screen shot: 
Category: 
Level: 
Intermediate
Overall Design: 
Good
Graphic Presentation: 
Standard
Video Presentation: 
Good
Audio Presentation: 
Standard
Instructions: 
Good
Learning Objectives: 
Good
Assessment Method: 
Standard
Learning Styles: 
Good
Interactivity: 
Standard
Learn/Remember/Recall: 
Standard
Final rating: 
70