Memory

What is memory exactly?
I often wonder, if different regions of the brains are responsible for specific information, how is it that we can vividly recall that scary scenario?

and where does our mind go when we daydream? How come we can imagine something with our eyes open? where is it that we see these images? isn't it odd? you try it, its like you are in between two dimensions...

Imagine is we could project our thoughts, our memory and ideas. it would bring empathy and more credible eye witnesses. However, in order to do that, we need to understand how we are able to picture and recall information! why is memory intangible? Are the things we see actually real, or is it just some skewed form of consciousness????

I apologize, I will answer the previous questions.