Development of society means the transformation of society

One definition of Social transformation is the process by which an individual alters the socially ascribed social status of their parents into a socially achieved status for themselves. However, another definition refers to large scale social change as in cultural reforms or transformations.

A definition of Social Transformation is:

the process by which an individual alters the socially ascribed social status of their parents into a socially achieved status for themselves.

Explanation:

In easier to explain terms it means, they aren't following what is "socially acceptable" to their parents.

Example:

To your parents, girls must wear dresses, but you choose to wear a pair of jeans instead.