Electronic banking (e-banking) allows customers to access bank accounts and conduct transactions through electronic and telecommunications networks using computers and mobile phones. The document discusses various e-banking tools like core banking, electronic funds transfer (EFT), real-time gross settlement (RTGS), immediate payment service (IMPS), and Society for Worldwide Interbank Financial Telecommunications (SWIFT). It also covers electronic clearing service (ECS), debit cards, credit cards, smart cards, automated teller machines (ATMs), and electronic cheques.