When you're making bread, it's important to know what the different stages look like. If you understand the look and feel, you can create your own bread recipes without without worrying much about measurements and timers.
Even if you're working with a recipe, bread doughs behave differently depending on the flour, the ingredient temperatures and the room temperature, among other things. It's better to know what a fully-kneaded or fully-risen dough looks like rather than relying on a recipe that tells you to how long to knead or how long the bread should rise.
So here we go.