What does wBTC mean?

Excuse me, could you please explain what wBTC stands for? I've heard it mentioned in some discussions about cryptocurrency and finance, but I'm not quite sure what it means. I'm particularly interested in understanding its significance and how it fits into the larger cryptocurrency ecosystem. Could you provide a brief description of wBTC, including its purpose and any key features it might have? Thank you for your help in clarifying this matter for me.