What is the main difference between the limited and omniscient third-person narrative point of view?

A third-person omniscient point of view is when the narrator knows the feelings/emotions of the character and also knows how the story is structured.

However,

A third-person limited point of view is when the narrator knows as much as the reader does, in other words he is "limited" to the knowledge of the reader

Explanation: Hope this helped

:D