crosswalk vs strait

crosswalk

• A point designated for pedestrians to cross a street. 

• A mapping between equivalent elements (fields) in different database schemas. 

• To map equivalent elements (fields) in different database schemas. 

strait

• A narrow pass, passage or street. 

• A narrow channel of water connecting two larger bodies of water. 

• A difficult position. 

• A neck of land; an isthmus.