Vegetable garden: soil preparation

What is a vegetable garden? And what do we need to do to develop it healthily?
Before sowing and planting, you must consider all the surrounding aspects - sun, wind, topography, water, and soil.
In this class, we saw and touched different types of soil, saw the processes leading to the formation of organic-rich earth and luckily, we also found lots of worms and many other bugs which live hidden in our soil.