We have set sizes to be good for typical monitors, but you may prefer to alter our defaults. In most browsers you can change the size of the text in all windows by choosing your browser's font settings options. We have set sizes to be good for typical monitors, but, again, you may prefer to alter our defaults. Some of our fonts sizes are wired in, however, so don't be surprised if not everything changes. Your browser command to revisit prior pages works in this frame system as in any other.
Frames obviously facilitate navigation.
But one seeming disadvantage of using a frame approach is that you always see things in a smaller area than your whole browser due to the presense of other frames. When you later choose to go to it, it will appear in your usual browser window, not in a frame.