What is the difference between Outsourcing and Offshoring?

Outsourcing $-$ shifting a value$-$creating activity from a domestic to a foreign location

Offshoring $-$ using other firms to perform value$-$creating activities that were previously performed in$-$house

Outsourcing $-$ using other firms to perform value$-$creating activities that were previously performed in$-$house

Offshoring $-$ shifting a value$-$creating activity from a domestic to a foreign location