What does the term 'confession' signify in legal terms?

In legal terms, 'confession' signifies a statement made by an individual in which they admit to committing a crime or wrongdoing. This admission can be a critical piece of evidence in criminal proceedings. A confession often implies that the person acknowledges their guilt regarding specific charges, which can lead to various legal ramifications, including potential sentencing.

The context around confessions is essential in understanding their significance in the judicial system; they can influence the direction of a case, lead to convictions, or even provide grounds for plea deals. The weight of the confession can depend on how it was obtained and whether it was made voluntarily and with full understanding of the consequences.

Other terms mentioned in the options, such as a formal denial of wrongdoing, evidence from witnesses, or a plea bargain arrangement, do not accurately reflect the essence of what a confession represents legally. They serve different roles in legal contexts but do not encapsulate the concept of an individual admitting guilt, which is the hallmark of a confession.