I agree with Tilt. I'm a relative amateur compared to some people here, but my experience is that after several days on silent retreat building up mindfulness and concentration it's really not that difficult to get some idea
of what the Buddha was talking about. If you attend closely then there will be times when the experiences start to break up into discrete chunks. This is perceived, then that is perceived, and so on. No need to think
about it, that's just what you "see".
As far as I can tell from discussions in "real life" and here, most people who do some moderately serious practice have these sort of experiences. However, exactly how they manifest seems to depend on the individual and on the particular approach being used.
I don't want to come across as condescending, but I know from my own experience that I can discern things after several days of retreat that are simply not noticeable in my "normal life", where I generally only have an hour or so for specific mediation practice each day. Trying to decide what the Buddha taught about "rise and fall" by just reading suttas, and not actually making the attempt to experience what he talks about, doesn't seem to me to be particularly fruitful.