Explanation:

- Gwadar Port:

- Located in Balochistan, it's a key component of China-Pakistan Economic Corridor.

- It's more focused on future expansion and strategic importance.

- Port of Qasim:

- Situated near Karachi, it's the second busiest port.

- Handles a significant amount of cargo, especially agriculture and coal.

- Port of Karachi:

- The busiest and largest port in Pakistan.

- Handles around 60% of the nation's cargo.

- Equipped with modern facilities and infrastructure.

- Port of Keti:

- Less prominent and not a major hub for cargo traffic.