Braille is a writing system used by the blind. The letters consist of six dots organized in two columns of three points. What is special about Braille is that it is a 6 bit system. This means that it is close to how computers process text. Being a digital system created by a human for humans Braille connects the different ways humans and computers store and process information.
Depending on its form and direction a line can be more or less calm, energetic or even aggressive. The mood lines are a graphic visualization of the mood entered by the user. This way a picture of a persons mood can be generated over a period of time.