The meaning of the word meditation is the development. It is the development of mind and wisdom. Generally, a normal person’s mind gets obstructed by defilement's called Pancha Niewarana from the truth unendingly. A mind which is blocked in this way is an undeveloped one. It is not strong. Also, it cannot realise the truths of the world. This kind of mind is not concentrated or open to the truth. Therefore, a mind is first strengthened by meditation making it to be focused and strong, so it becomes suitable to develop the wisdom. Afterword, it will navigate the ascetic towards Nibbana until he realises it