The illustration shows a code segment with the lines numbered from 13 through 52 and the annotations are as follows:

"void bigGreeting( );
 int main( )
 {
 {"
" using namespace savitch2;" annotated as "Names in this block use definitions in namespaces
savitch2, std, and the global namespace."
 "greeting( );
 }
 {"
 "using namespace savitch1;" annotated as "Names in this block use definitions in namespaces savitch1, std, and the global namespace."                                                                                                                        "greeting( );
 }
 bigGreeting( );"
 "return 0;" annotated as "Names out here use only definitions in namespace std and the global namespace."
 "}
 namespace savitch1
 {
 void greeting( )
 {
 cout << "Hello from namespace savitch1.\n";
 }
 }
 namespace savitch2
 {
 void greeting( )
 {
 cout<< "Greetings from namespace savitch2.\n";
 }
 }
 void bigGreeting( )
 {
 cout<< "A Big Global Hello!\n";
 }"