The document discusses different types of websites:
1. Static websites have content that rarely needs updating once developed.
2. Dynamic websites have content that frequently changes and needs updating over time, like user profiles or company updates.
3. Websites can also be divided into websites for advertising (website) versus managing data (web application).
4. Static websites include things like company employee information that doesn't change often, while dynamic websites include changing data like employee salaries or school student information.