The logical structure of the hard disk

On the first column there is the hard disk,the CD and the micro SD card to storage the information or photos.

The Units of storage,which means that the red one is almost full and the blue one is that there is still capacity of storage,there is also the extractable unit that can be an USB memory and the DVD player.

The 3 column are the different folders that you can separate the different archives,such as photos and audio and videos

These are the different types of archives that you can use,for example Skype is used fot doing video chats,you can also browse on the internet on mogzilla.