Personal account and Corporate account and HUF account

What is difference between Personal account and Company / Corporate account and HUF account ?
Can anyone explain in detail what are these accounts and how to open one . I have account with Zerodha so that comes under a personal account . How to open other two accounts with Zerodha and what are those accounts ?

Corporate Account: This is opened in the name of a private or public limited company.

HUF Account: This is opened by Hindu Undivided Family.

The account opening process for a Company, HUF has been explained here.