What do we mean by Focalization and Point of view in literature?The main theories on Focalization

The point of view is a narrative technique. Any thing we
employ in the text in order to tell the story is a narrative
technique.
Narrative technique is a way of telling the
story.

I can tell the story from three point of view. So we
will have three stories. They will be different though maybe not too different, but they
will be different.

When the story are told, usually the
narrative technique is employed in such away to make you see the story, see the events,
see the characters in a particular way.

When you hear the
point of view , you ask yourself, who is telling the story?