Is bitcoin a unit of account?

Could you elaborate on whether Bitcoin fulfills the role of being a unit of account? I'm curious to understand how it measures the value of goods and services, especially in comparison to traditional currencies. Is there a widespread consensus on Bitcoin's use as a unit of account, or is it still largely seen as a speculative investment? What challenges does Bitcoin face in achieving this status, and what steps are being taken to address those challenges? I'd appreciate a detailed discussion on this topic.