Quaternary economic sector: This term refers to the knowledge-based part of an economy that involves research, development, and information technology.
Service industry: A service industry is a subset of the tertiary sector that focuses specifically on businesses that offer intangible services to consumers.
Globalization: Globalization is a process where economies and societies become more interconnected worldwide through increased trade, communication, and cultural exchanges. It has greatly impacted tertiary economic sectors by expanding opportunities for international service provision.