Structural Capital: Structural capital pertains to the supportive non$-$physical infrastructure, processes, and systems within an organization that enable employees to function effectively. This includes elements like patents, trademarks, databases, organizational information systems, and software. Structural capital supports the organization by providing a framework for knowledge sharing, collaboration, and operational efficiency.

Relational Capital: Relational capital focuses on the relationships that an organization has with various stakeholders, including customers, suppliers, partners, and other external entities. It encompasses the trust, goodwill, and reputation that the organization has built over time. Relational capital plays a vital role in fostering partnerships, enhancing customer loyalty, and creating a positive brand image in the market.

Overall, intellectual capital combines these three sub$-$categories to form a comprehensive framework that drives value creation within an organization. By effectively managing human, structural, and relational capital, organizations can leverage their knowledge assets to innovate, compete, and sustain long$-$term success in today's knowledge$-$driven economy.