Gross Tonnage: The total internal cargo carrying capacity of a ship.

LOA (Length Overall): This is the maximum measurement made from the bow to the aft of a vessel taken parallel to the waterline. It is a major indicator in the allocation of berth and the calculation of berth rent.

Import: Total goods that are brought into a country, area, zone, region etc or total services that are rendered to an entity from a country, zone, region etc.

Export: Total goods that are sent out from a country, area, zone, region etc or total services that are rendered in a country, zone, region etc to an entity from outside the location.

Transit: The totality of cargoes that are offloaded at a country’s port and destined for a neighboring landlocked country.

Transshipment: Cargoes that are discharged from a vessel at a port, and transferred to another vessels for onward transportation to its final destination.

Cargo Throughput: The total cargo volume (inward, outward, transit, transshipment) that is handled by a port within a period of time.

TEU (Twenty Equivalent Unit): It is the standard of measure of container units. It is calculated by converting all other container sizes to their 20 feet equivalent.

FEU (Forty Equivalent Unit): It is the measure of the size of a shipping container in its 40 feet equivalent.

Cargo Dwell Time: This is the total time cargo spends at the port starting from when it was discharged from the vessel till it exits the port.

Container Moves Per Hour: The total time it takes container handling equipment (ship-to-shore cranes) in evacuating shipping container from ship to shore or vice versa.

Turnaround Time: The total time a ship spends at a port during operation.

Waiting Time: The total time a ship spends at port while awaiting allocation of a berth to it for operation.

Berth Occupancy Rate: This is a measure of the percentage of utilization of the berths at a port.

Pier: A pier is a type of raised structure that is constructed from the edge of a body of water across the surface in order to access areas far away from the shore.

Buoy: A buoy is a floating device that is anchored to a particular spot on the surface of a body of water for the purpose of navigation, delineation, rescue, research etc.


GDP (Gross Domestic Product): It is the measure of the monetary value of all the goods and services produced in a country/region/zone within a specific period.

Goods: These are physicals items that are made available to satisfy human wants and are purchased at a cost.

Services: These are transactions within which no physical item is transferred. It generally involved the payment for non-tangible values examples include hotel services, banking services etc.


Trade Balance: It is the measure of ratio between import and export trade that are carried out from a location within a period.

Trade Surplus: This happens when the export trade is more than import trade of a country/region/zone.

Trade Deficit: This happens when the import trade is more than export trade for a country/region/zone.

Balance of Payments (BOP): This is the difference between total cash inflow and outflow from a country/region/zone to the rest of the world within a period of time.

Current Account: This is a record of the value of imports and exports of goods and services from a country/region/zone as carried out within a period.