1. the primary or most important direction toward which something moves, points, or is oriented
The main direction of the project is towards sustainability.
A direção principal do projeto é em direção à sustentabilidade.
2. the general course or tendency of movement or development
The main direction of the wind is from north to south.
A direção principal do vento é de norte a sul.
3. the primary axis or orientation in navigation or spatial reference
Head in the main direction indicated by the compass.
Siga na direção principal indicada pela bússola.