Study, what does one mean by study?

Study is the part of learning life. It is a big part of education in simple words, whatever we learn in school or at home or anywhere which gives us a lesson is a study. Today, many people are educated and have studied a lot but still there are many who don't know even the basic things, and such people are known illiterate. Study is very important, if we don't study now we will suffer later. By studying one gains knowledge about various of things, the brain power increase, a thought comes in mind that I have to do this, people get an aim, and get success in life. Study is just like water, if we don't take water we cannot survive, likewise if we don't study we cannot survive in this society.