Here we can learn from basics to advanced at the end of course you can build static website using HTML. It's a hand on and live sections so we can learn so many things. 

Here is a list of HTML concepts:

1. HTML Elements
2. HTML Tags
3. Attributes
4. Document Structure
5. Headings
6. Paragraphs
7. Lists
8. Links
9. Images
10. Tables
11. Forms
12. Semantic HTML
13. Divisions and Spans
14. Meta Tags
15. HTML Comments
16. Text Formatting
17. Audio and Video
18. Embedded Content
19. Iframes
20. Character Entities
21. Document Object Model (DOM)
22. HTML5 APIs
23. Accessibility
24. CSS Integration
25. JavaScript Integration
26. Responsive Web Design
27. HTML Validation
28. HTML Rendering
29. Browser Compatibility
30. Deprecated Tags and Attributes these are the concepts that covered in these course not only HTML I also covered css part too

That's all about HTML course Here are the headings summarizing the use cases of HTML:

1. **Building Web Pages**

2. **Creating Forms for User Input**

3. **Displaying Multimedia Content**

4. **Organizing Text and Content**

5. **Creating Navigation Menus**

6. **Building Tables for Data Presentation**

7. **Embedding External Resources**

8. **Creating Interactive and Accessible Web Pages**

9. **SEO Optimization**

10. **Structuring Documents**

11. **Responsive Web Design**

12. **Creating Social Media Links**

13. **Displaying Interactive Maps**

14. **Creating E-commerce Websites**

15. **Email Marketing**

16. **Documenting Code and Projects**

17. **Displaying Embedded Content (Widgets)**

18. **Creating Blogs and Content Management Systems (CMS)**

19. **Creating Landing Pages**

20. **Progressive Web Applications (PWAs)**