Learn: Commerce supports exchange through trade and aids to trade.

Key principle: Trade is buying and selling; commerce includes trade and services.

Example: Transport and banking support trade.

Avoid: Do not treat industry and commerce as identical.

Learn: Study stages of production and movement to consumers.

Key principle: Production creates utility; distribution makes goods available.

Example: A wholesaler links producers and retailers.

Avoid: Distribution is more than transport.

Learn: Assess productivity benefits and worker risks.

Key principle: Division of labour separates production into tasks.

Example: Repeated tasks can increase output.

Avoid: Specialisation may cause boredom and dependency.

Learn: Compare sole traders, partnerships, companies and cooperatives.

Key principle: Ownership affects liability, capital and control.

Example: A limited company has separate legal identity.

Avoid: Limited liability does not mean no responsibility.

Learn: Understand wholesalers, retailers and channels of distribution.

Key principle: Retailers sell mainly to final consumers.

Example: Breaking bulk is a wholesaler service.

Avoid: Not every producer uses a wholesaler.

Learn: Know rights, responsibilities and protection methods.

Key principle: Consumers need safety, information, choice and redress.

Example: A receipt supports a complaint.

Avoid: Protection does not remove consumer responsibility.

Learn: Study imports, exports, barriers and trade documents.

Key principle: Balance of trade compares visible exports and imports.

Example: An invoice requests payment details.

Avoid: Do not confuse an invoice with a receipt.

Learn: Choose road, rail, air, water or pipeline by business need.

Key principle: Cost, speed, reliability and goods type guide choice.

Example: Air suits urgent high-value goods.

Avoid: Cheapest is not always best.

Learn: Explain storage, risk bearing and price stabilisation.

Key principle: Warehouses bridge time between production and use.

Example: Bonded warehouses hold imports before duty payment.

Avoid: Warehousing does not create the goods.

Learn: Compare bank services and cash or electronic payments.

Key principle: Current accounts support frequent business transactions.

Example: A bank transfer provides a record.

Avoid: Credit cards and debit cards use different funding.

Learn: Apply risk, premium, indemnity and insurable interest.

Key principle: Insurance pools similar risks.

Example: Indemnity restores the insured financial position.

Avoid: Life assurance is not a contract of indemnity.

Learn: Choose effective written, oral and digital methods.

Key principle: Method depends on urgency, cost, record and audience.

Example: Email gives a fast written record.

Avoid: Fast communication is not automatically secure.

Learn: Distinguish long-term persuasion from short-term incentives.

Key principle: Advertising informs and persuades; promotion encourages immediate action.

Example: A limited-time discount is sales promotion.

Avoid: Promotion cannot replace a poor product.

Learn: Identify internal and external sources by purpose and term.

Key principle: Match finance duration to asset life.

Example: A mortgage may finance premises.

Avoid: Overdrafts are unsuitable for permanent long-term needs.

Learn: Understand shares, dividends, bonds and market roles.

Key principle: Shareholders own part of a company and accept risk.

Example: Dividend depends on company performance and policy.

Avoid: A dividend is not guaranteed interest.

Learn: Evaluate online selling, payments, data and security.

Key principle: E-commerce widens reach but creates cyber and trust risks.

Example: HTTPS and strong authentication reduce risk.

Avoid: Online trade still needs consumer protection.