Glossary of terms used on this site

Traffic collision reconstruction is the process of investigating, analyzing, and drawing conclusions about the causes and events during a vehicle collision. Reconstructionists conduct collision analysis and reconstruction to identify the cause of a collision and contributing factors including the role of the driver(s), vehicle(s), roadway and general environment.

In medicine, confusion is the quality or state of being bewildered or unclear. The term "acute mental confusion" is often used interchangeably with delirium in the International Statistical Classification of Diseases and Related Health Problems and the Medical Subject Headings publications to describe the pathology.

Event data recorder or EDR, sometimes referred to informally as an automotive "black box," is a device installed in some automobiles, trucks, and commercial vehicles to record information related to vehicle performance, crashes, or accidents. In the USA, EDRs must meet federal standards per the U.S. Code of Federal Regulations. Information from these devices can be collected after a crash and analyzed to help determine what the vehicles were doing before, during and after the crash or event.

Forensic science, also known as criminalistics, is the application of science to criminal and civil laws, mainly—on the criminal side—during criminal investigation, as governed by the legal standards of admissible evidence and criminal procedure.

There are these four ways of answering questions. Which four? There are questions that should be answered categorically [straightforwardly yes, no, this, that]. There are questions that should be answered with an analytical (qualified) answer [defining or redefining the terms]. There are questions that should be answered with a counter-question.