The Black Arrow: A Tale of the Two Roses and calling card is a black arrow, cause Dick to suspect that his guardian Sir Daniel Brackley and his retainers are responsible for his father's murder. Dick's suspicions are enough to turn Sir Daniel against him, so he has no recourse but to escape from Sir Daniel and join the outlaws of the Black Arrow against him. This struggle sweeps him up into the greater conflict surrounding them all. The novel is set in the reign of "old King Henry VI" (1422–1461, 1470–1471) and during the Wars of the Roses (1455–1487). The story begins with the Tunstall Moat House alarm
IEEE 1471 Standards Board approved the specification as IEEE Std 1471-2000. In 2006, ISO/IEC Joint Technical Committee 1 (JTC1), Information technology/Subcommittee SC 7, Software and systems engineering, adopted the specification as ISO/IEC 42010, under a special "fast-track procedure", in parallel with its approval by national bodies of ISO and IEC. A coordinated revision of this standard by ISO/IEC JTC1/SC7/WG42 and IEEE CS commenced in 2006, following the successful ISO/IEC fast-track ballot and in line with the IEEE standard 5-year review of the standard. In November 2011, IEEE 1471-2000 and ISO/IEC 42010:2007 was superseded by ISO/IEC/IEEE 42010:2011, "Systems and software engineering — Architecture