In general, this dream - a warning, the value of which depends on the words that you remember; if the words are not clear, the interpretation of sleep can only be approximate. In this case, a very important point dreamed of words.
Seeing or hearing words during a dream can mean:
Your mind is in reading or busy mode, such as when you've been reading a lot that day
Communication with someone is on your mind
Random words often show up during twilight sleep when you are dropping off to sleep or waking up. These can seem like they carry significant meaning when they actually do not.