Edmund Husserl is widely regarded as the founder of phenomenology, a philosophical movement that emphasizes the study of consciousness and lived experience.

Intentionality is the central concept in phenomenology, referring to the inherent directedness of consciousness towards objects and meanings.

The method of phenomenological reduction involves bracketing or suspending beliefs and assumptions to focus on the essential structures of consciousness.

The Lebenswelt refers to the everyday, taken-for-granted world of human experience, which is the primary focus of phenomenological inquiry.

Alfred Schutz is widely regarded as the founder of the phenomenology of sociology, which applies phenomenological methods to the study of social phenomena.

In the phenomenology of sociology, the social actor is viewed as a socially constructed being whose actions and meanings are shaped by their social context and interactions.

In the phenomenology of sociology, the social world is viewed as a combination of objective structures and subjective meanings, which are mutually constitutive.

Verstehen is the method of interpreting social actions and meanings from the perspective of the social actors themselves.

The taken-for-granted world refers to the everyday world of human experience, which is socially constructed and taken for granted by members of a society.

The double intersubjectivity refers to the intersubjective relationship between an individual and society as a whole, which is mediated by social institutions and cultural norms.

Social typification refers to the process of classifying social objects and actions into types, which helps individuals to make sense of the social world.

A social role refers to a set of expectations and behaviors associated with a social position, which individuals are expected to conform to.

A social institution refers to a stable pattern of social behavior that organizes human activity and is supported by social norms and values.

Social change in the phenomenology of sociology encompasses transformations of social structures and institutions, changes in social norms and values, and shifts in cultural meanings and symbols.