1- A mentally sick person joins a mental institute and getting better is development for him.

2- A person who is poor and receives a pay rice is development for him financially.

3-A student who is weak in studies get better grades in class sees it as an academic development for him.

4- A young entrepreneur starts his business and it takes off after a rough patch, the lessons he learnt his development for him experience wise.

5- For a scientist inventing for discovering something is development.