Marble Arch circle-and-stalls auditorium. It closed in 2016 and was demolished later that same year. The arch also stands close to the former site of the Tyburn gallows (sometimes called "Tyburn Tree"), a place of public execution from 1388 until 1793. Marble Arch Marble Arch is a 19th-century white marble-faced triumphal arch in London, England. The structure was designed by John Nash in 1827 to be the state entrance to the cour d'honneur of Buckingham Palace; it stood near the site of what is today the three-bayed, central projection of the palace containing the well known balcony. In 1851 on the initiative
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