1. The document discusses different types of employment and unemployment patterns including industrial structure, women's contribution, public/private sectors, full-time/part-time work, employed/self-employed, formal/informal economies, and high/low quality employment. 2. It also discusses labor flexibility, labor participation rates, factors influencing participation, methods of measuring unemployment, and causes of unemployment including frictional, structural, and cyclical unemployment. 3. Prolonged unemployment can have negative economic impacts like reducing business confidence, lower investment, business closures, lower tax revenue, and lower GDP growth. Governments can use supply-side and expansionary policies to address structural and cyclical unemployment.