The right side of the brain controls the left side of the body, and functions in the areas of spatial positioning, recognition, memory, understanding and imagination. The right brain is also responsible for processing music, feelings, symbols, images and writing; and is also the reason why we are able to understand what we see in daily life. The right brain sees things all at once, whereas the left side of the brain sees things sequentially until they become a whole.
The right side of the brain plays a vital role in language, helping us understand and speak words, what they mean, and their tone. It is also the reason why we understand the function of objects, and how to use them, instead of just being able to identify them. Intuition, insight and philosophical thinking are all attributes of the right brain, pulling from the more creative and imaginative areas of thought, while the left brain produces more analytical, factual or statistical analyses.
The corpus callosum connects the right and left sides of the brain. The corpus callosum sends motor and sensory functions, as well as cognitive signals, back and forth between the cerebral cortex on the right and left sides. This allows the brain to seamlessly switch abilities, or perform from both sides of the brain at once, such as singing a song while performing a math function.