# Describe the bug I cannot find any material in unit 1 to explain what is TD and MC # Material <img width="2952" height="1356" alt="Image" src="https://github.com/user-attachments/assets/126f6ed4-cd0a-4dee-9ccb-52239ececde0" />
Describe the bug
I cannot find any material in unit 1 to explain what is TD and MC
Material