That is why perlmonks.org exists, and that is why so many of us spend a portion of our day trying to contribute usefully to it. Never feel embarrassed for having asked a well-phrased question. Every single one of your questions make perfect sense, every one of them is common, and every one of them are an absolute show-stopper until you know the answer.
“Now you know. And furthermore, for having read this exchange, now an unknown number of other people (across time) will also know.” That’s the power of the Internet, and of well-known sites like these.