Migration: Migration is the movement of people from one place to another. In this context, it specifically refers to the movement of people from rural areas to urban areas during industrialization.
Infrastructure: Infrastructure consists of basic physical structures necessary for the functioning and development of a society or region. This includes roads, bridges, buildings, water supply systems, etc.
Urbanization: Urbanization is the process by which an increasing proportion of a country's population resides in urban areas rather than rural ones. It involves both natural population growth within cities and migration from rural to urban areas.