Tyburn (Charing Cross), along Fleet Street and over the Fleet Bridge, climbing Ludgate Hill (by gravitational pressure) to a public conduit at Cheapside. Water was supplied free to all comers. Tyburn had significance from ancient times and was marked by a monument known as "Oswulf's Stone", which gave its name to the Ossulstone Hundred of Middlesex. The stone was covered over in 1851 when Marble Arch was moved to the area, but it was shortly afterwards unearthed and propped up against the Arch. It has not been seen since 1869. For much of its history, public executions took place at Tyburn,
Gulf of execution what it means. Both phrases are mentioned in Donald Norman's 1986 book "User Centered System Design: New Perspectives on Human-computer Interaction." This can be illustrated through the discussion of a VCR problem. Let us imagine that a user would like to record a television show. They see the solution to this problem as simply pressing the "Record" button. However, in reality, to record a show on a VCR, several actions must be taken: The difference between the user's perceived execution actions and the required actions is the gulf of execution. Gulf of execution In human computer interaction, the gulf of