Identify the Letter of the Choice That Best Matches the Phrase

Identify the letter of the choice that best matches the phrase or definition.
-Used when the schemas come from different namespaces

A) global scope
B) local scope
C) Flat Catalog Design
D) Russian Doll Design
E) compound element
F) namespace
G) include
H) import
I) Venetian Blind Design
J) @namespace