P - Political; taxation, election, trade restrictions, tariffs, polotical stability
E - Economic; inflation, trade balance, foreign exchange, interest rate, minimum wage, cost of living
S - Social; cultural trends, demographics, age distribution, population growth, employment level, education
T - Technological; technological trends, emerging technologies, current innovations
L - Legal; statutory and regulatory requirements
E - Environmental; geographic environment, climate change, global warming, natural calamities