A bread, like a cake, will include flour as the main ingredient. However, it also includes a leavening agent, usually yeast. The cake requires a lot of ingredients not normally found in bread, such as eggs, milk, butter, and cups of sugar. Cakes are generally made with baking powder and baking soda, while bread is made with yeast.
These ingredients will vary depending on the bread you're trying to bake. However, the basics remain the same. Bread uses yeast; fast bread doesn't. The difference between cake and bread is that a cake is sweeter, more delicious and contains much more calories than bread.
Yes, a cake is a kind of quick bread, which creates confusion around the differences between bread and cake. Sometimes, as decoration, some cake makers even use different coloring colors for different parts of the cake. If you look at the list of ingredients for a cake compared to a loaf of bread, you'll immediately notice that the list is much longer for a cake.