Разница между крючками клавиатуры(WH_KEYBOARD и WH_KEYBOARD_LL)

I want to understand which hook is used for what purpose.

I have googled and only difference I understood is WH_KEYBOAD will inject the dll into the processes but for the WH_KEYBOAD_LL windows will make a direct call to call back function without injecting the dll.

So my question is, will both the hooks do the same functionality or is there any difference between . It will be helpful if you can give an example for both the hooks?