Okay so I've been looking up things I have in dreams, and often I will wonder:

When I have a dream, and I look up what it could mean, I find myself in a situation where I'm confused.
1. How do I know what my dream is referring to?
For example... Is it:
The day I've had, what happened in it and how I feel.
A situation I have been pondering or rather obsessed about.
A relationship with a person.
The future. Future events.
My emotions.
Myself telling me to feel a curtain way when I am unsure.
- I'm sorry if I'm not explaining myself well here, I hope someone knows what I mean.

2. Is the dream able to be interpreted days or weeks later and still mean something even though you can't remember what you were dealing with in life then?

3. Can a dream just be a dream and mean nothing? If so, do most dreams fall under this category?

4. Is LD the only dreams that really mean something?

5. What does it mean to have a vivid and real like dream but it not be a LD? Are real like dreams the same as LD?

6. I was reading some posts and there is something you refer to as a DC, what is a DC? Any other terms I should know that is used on this forum would be helpful.

7. I've been wondering lately.. one time my sister and I had the same dream. A real like dream, vivid. I told her my dream and she said she had the same dream- and we had it down to the T where we knew we both were there Caz of the answers to our questions to each other. It was also in the same night. She has a twin and they are often in each other's dreams where they are there together and dream the same thing. Is this/ how is this possible?

Okay- those are my first questions here. If you have answers I'd love to hear them! Especially since I am new to really taking an interest in this!

Thanks!