The board to review the progress of a sprint. Please note that this is exclusively for programming questions; questions related to methodology and project management should be directed to either Software Engineering SE or Project Management SE.
Scrumboard is the place where the scrum team keeps a tab on its progress. It contains multiple columns based on the workflow the team follows (a typical workflow would have 3 columns To do, In Progress, Done). The stories/tasks are pasted/moved across these columns based on the progress the team makes.
The electronic format of such boards also provides with a sprint planning and reporting/burndown facilities.