Empirical sciences draws generalizations from singular observations, thus their conclusions are about the past.

Any observation requires prior understanding, prior expectations, thus, theory-free observations of the world is not possible.

A worldview that carries basic assumptions about the nature of reality, and how such
a reality can be known by human beings, although most of these assumptions are implicit in the ordinary day-to-day practices.

The qualitative differences between the nature of social life and the nature of natural world.

A method that provides broad analysis and in depth understanding of the local meanings.