What is the difference between currency hedging and strategic hedging?

a$.$ Strategic hedging involves in$-$house financial experts; currency hedging involves managers from different functional areas.

b$.$ Currency hedging is a strategy for financial companies; strategic hedging is a strategy for nonfinancial companies.

c$.$ Currency hedging reduces exposure to unfavorable foreign exchange movements; strategic hedging is risky in case of wrong bets of currency movements.

d$.$ Strategic hedging refers to geographically dispersing operations in multiple currency zones; currency hedging focuses on using forward contracts and swaps to contain currency risks.