Dual carriageway and Parking lot

Dual carriageway noun - A highway divided down the middle by a barrier that separates traffic going in different directions.

Parking lot and dual carriageway are semantically related. In some cases you can use "Parking lot" instead a noun phrase "Dual carriageway".

Parking lot noun - A lot where cars are parked.

Dual carriageway and parking lot are semantically related. Sometimes you can use "Dual carriageway" instead a noun phrase "Parking lot".