What do the different driver's license categories A, B, C, D, and E mean?

[BraxtonLee]

They represent different types of vehicles. In driver's licenses, A stands for large passenger vehicles, B for large trucks, and C for small cars. Here are the detailed introductions: 1. A: A1 is for large passenger vehicles, A2 for heavy-duty medium-sized full trailers and semi-trailer vehicle trains, and A3 for city buses with a capacity of 10 or more passengers. 2. B: B1 is for medium-sized passenger vehicles, and B2 is for heavy-duty and medium-sized trucks, etc. 3. C: C1 is for small and mini passenger vehicles, etc., C2 is for small and mini automatic transmission passenger vehicles, etc., C3 is for low-speed trucks (originally four-wheel agricultural transport vehicles), and C4 is for three-wheeled vehicles (originally three-wheel agricultural transport vehicles). 4. D: D is for three-wheeled motorcycles with an engine displacement greater than 50ml. 5. E: E is for two-wheeled motorcycles with an engine displacement greater than 50ml.