Depending on where you are from, different countries have different terms for "storm drain". abc

Based on where you are from, different countries have different terms for "storm drain".
Accordingly to Wikipedia, a storm drain is actually a tunnel that carry runoffs (rain) from urban areas. For a layman, it helps to think along the line of sewage system which works beneath our cities.
In america, this is actually popularly known as "storm drain" or "storm sewer".
In the UK, this is often called "surface water drain" or "surface water sewer".
In Australia and New Zealand, it is often called "stormwater drain".
And there it is, the next time you hear someone mentioning "storm drain", "storm sewer", "surface water drain","surface water sewer" and "stormwater drain", congratulations, you know they mean exactly the same thing.
Functions of storm drain include draining excess water (rain or storm water) and ground water from pavement, streets and carparks into rivers and streams to protect yourself from flooding.
Although storm drains accomplish a amazing job of draining excess water from the urban areas, the inlets are essentially openings where left uncovered can pose a danger to pedestrians. Left uncovered, rubbish will enter the storm drains and cause choking which might eventually lead to flooding.
To ensure storm drains serve their purposes while minimizing the potential risks posed to pedestrians and to prevent choking of the drains, Jonite decorative drain grates (gratings) are used to cover the inlets (openings) of the storm drains to achieve the two purposes.
At Jonite, we specialize in steel reinforced drain covers (gratings) that cover your storm drains while preserving the aesthetic areas of the architecture around the drain covers.