* Trans-Saharan trade: This refers to the historical trade routes that crossed the Sahara Desert, connecting North Africa with sub-Saharan Africa. This trade was crucial for the exchange of goods, ideas, and culture for centuries.
* Trans-Saharan migration: This refers to the movement of people across the Sahara Desert, often seeking better opportunities or fleeing conflict. This migration can be both voluntary and forced.
* Trans-Saharan transport: This refers to the movement of goods and people across the Sahara Desert using modern means of transportation, such as trucks, trains, or planes.
The term "Trans Sahara" emphasizes the crossing of the Sahara Desert and the challenges it presents for travel and transportation.