Memorizing information is something we all need to do. There are __(31)__ ways to improve our memory, one of which is known as mind-mapping. A mind map is like a __(32)__ of thoughts, starting from a single idea, and spreading __(33)__ to new ideas, showing the connections between them. The theory behind it is that by drawing the map on paper, we are made to __(34)__ the information clearly. Later as we look at the mind map again and again, we __(35)__ our knowledge of the information and then memorize it.