Business is the practice of making one's living or making money by producing or buying and selling products. It is also "any activity or enterprise entered into for profit."
Offices in the Los Angeles Downtown Financial District
Trade involves the transfer of goods and services from one person or entity to another, often in exchange for money. Economists refer to a system or network that allows trade as a market.
The San Juan de Dios Market in Guadalajara, Jalisco
The Liberty to Trade as Buttressed by National Law (1909) by George Howard Earle, Jr.
A busy market in Mile 12. Lagos - Nigeria
Ancient Etruscan "aryballoi" terracota vessels unearthed in the 1860s at Bolshaya Bliznitsa tumulus near Phanagoria, South Russia (formerly part of the Bosporan Kingdom of Cimmerian Bosporus, present-day Taman Peninsula); on exhibit at the Hermitage Museum in Saint Petersburg