If this is the first time you have started Visual Studio on your machine, you are prompted to specify default environment settings. Choose General Development Settings.
The windows you see open in Visual Studio and their layout depend on whether you have used the IDE before and on the edition of Visual Studio that you might have installed on your machine. You can move, resize and minimize windows which is why they may not look exactly like described here.
A solution is a holding place for projects that relate to the solution. For example, the solution you are going to work with contains two projects - a batch project and an online project.