“Information radiator” is the generic term for any of a number of handwritten, drawn, printed, or electronic displays that a team places in a highly visible location, so that all team members, as well as passers-by, can see the latest information at a glance: count of automated tests, velocity, incident reports, continuous integration status, and so on.
Also known as: Another synonym is “Big Visible Chart” and in generic is called “informative workspaces“