What does my dream mean? About deep water and waterfalls: please help!!!?

So this was my dream last night: I thought it was a good dream, but I don't think it is: I NEVER had this kind of dream before, and I keep thinking about it: This was it: " I was at this place, and as I was about to go in a store, there was DEEP DEEP water everywhere, and it was surrounding me everywhere: I was standing on these stones to get across: I didn't move cause I knew I would drown: on my left side, people were somehow getting across to the other side: On my right side, there was this BIGG like waterfall!! Like Niagara Falls!! No, that's exactly what it looked like: Then I had a another dream about violence: What do you think this dream means?? 10points for BEST ANsWER!!!