Tariff- a tax on imported goods. Example. There was a tariff imported on tea from Britain.
Artisan- a craftsperson. Example- The artisan produced many beautifully painted bowls and vases.
Literacy- The ability to read and write. Example- The literacy rate in poor countries is not very high.
Productivity- producing or tending to produce goods and services having exchange value. Example- The United States has seen an increase in productivity since the industrial revolution.