I had a year in which almost every night I had a really interesting, multi-faceted dream, and remembered it when I woke up (because we dream every night whether we remember or not.) I kept a journal then.
But now I don't remember my dreams very often
However, I notice that when I do, they tend to contain two common themes.
One theme is that I suddenly realize that my Air Force enlistment is not complete, and I've been called back. I'm not sure what to do, and have trouble finding a uniform and my office. Similarly, I sometimes dream that I suddenly remember that I'm enrolled in a class, and I haven't been attending it, and have trouble getting to my classroom. Like one time I had to climb the outside of a bridge to reach the classroom, and when I got there, it was the wrong class. It's all basically the same thing: I'm experiencing some kind of anxiety because I'm not doing the thing I'm "supposed" to be doing.
Another theme is that I discover a new room in my house, and wonder why I never saw it before. There's always something strange about the room, like it's got a severely sloped floor, or it has a tiny door. Finding the room is always really wonderful, because I've really need another room (in real life, and probably in my inner life.)
I also get places that reappear in many dreams. There's a stretch of highway and a shopping mall that live in my dreams. The mall is dark and empty, as if it's closed, but it's not closed.
I almost never have other people in my dreams. And I've never flown in a dream. (I've had airplanes crash into me, though.)