The term CITY RAILWAYS can be summarized as a system of public transportation that uses rail lines to move people and goods within a city. The acronym ELS stands for Electric Light and Power, which is a type of railway system that uses electricity to power its trains. This type of railway system is often used in urban areas, as it is more efficient and cost-effective than other forms of transportation. It is also safer and more reliable than other forms of transportation, making it an ideal choice for cities.