Wherein the party of the first part hereby confuses the party of the second part.
Latin for "produce the body," which sounds like a threat from a mob movie but is actually a legal protection against being thrown in jail and forgotten about. The original "pics or it didn't happen" of the justice system.
Second-hand information that someone heard from someone else, generally inadmissible in court because it's the legal equivalent of playing telephone. If you didn't witness it yourself, the court probably doesn't want to hear about it.
A single-volume treatise on a legal subject that provides fundamental principles, originally named after children's primers bound with protective horn. Law students treat these as sacred texts during finals.