What happens if a bitcoin transaction is pending?

In the world of cryptocurrency, a pending Bitcoin transaction often raises questions among users. Could you elaborate on what occurs when a transaction remains in this state? Is it a sign of a potential issue? How long does it typically take for a pending transaction to be confirmed? What factors can influence the confirmation time? Are there any steps that a user can take to expedite the process? Understanding the intricacies of a pending bitcoin transaction is crucial for anyone navigating the crypto landscape.