I'll try to not take that as an offence....chakra U_U chakra is essential to even the most basic jutsu... it is a mixture of the physical energy present in every cell of the body and the spiritual energy gained from exercise and experience. Once mixed, it can be channelled through the chakra circulatory system, which is to chakra as the regular circulatory system is to blood, to any of the 361 chakra points (called tenketsu) in the body. Through various methods, the most common of which is hand seals, the chakra can then be manipulated to create an effect that would not be possible otherwise, such as walking on water, exhaling fire or creating illusions.
By mixing different ratios of the two energies, new types of chakra can be formed. The most common product is elemental chakra, which is used to perform elemental jutsu. Most ninja have a natural affinity to one type of chakra, but they have the capacity to create elemental chakra apart from their own affinity. There are six basic types, each stronger and weaker to another; five have been shown so far, but their relations, weaknesses, and strengths to each other are all explored, the sixth dealing with Yin and Yang and the balance of mental and physical energies. In addition to these six elements, certain kekkei genkai can mix elemental chakra to form new elements, for example it would be possible to mix water and wind into ice. While many ninja can use more than one type of chakra, very few are able to use them simultaneously.
O_O I think thats to much...