What is bridging technique?

Excuse me, could you possibly clarify what bridging technique refers to in the context of cryptocurrency and finance? I'm not entirely familiar with this concept, and it seems quite intriguing. Is it a specific strategy employed in trading, or does it relate to the interoperability of different blockchains? Could you please elaborate on its application and significance in this field? I'm eager to learn more about it and understand how it might impact the overall cryptocurrency ecosystem. Thank you for your assistance.