One-Pager — Business / E-Commerce / KM (P1 Rank 4)

• Communication barriers: semantic, psychological, organizational, physical
• Accounting: Assets = Liabilities + Capital; Debit left, Credit right
• E-commerce: B2B, B2C, C2C, B2G; EDI = electronic document exchange
• E-payment: cards, UPI/net banking, wallets; security = encryption + auth
• KM: tacit (in minds) vs explicit (documents); create→store→share→apply
• ERP integrates modules; CRM manages customers
• IT Act 2000 (India) — cybercrime / e-records legal recognition

Practice: practice/topic-mcqs/04-business-ecommerce-km.md