Income derived from Social Security is currently estimated to keep roughly 20% of all Americans, age 65 or older, above the Federally defined poverty level. The Social Security Administration is headquartered in Woodlawn, Maryland, just west of Baltimore.
Control is the term used to describe an object in a window or dialog box. Controls include push buttons, scroll bars, radio buttons and pull-down menus.
Span of control is simply the number of staff that report to a manager. Some companies also have an ideal span of control, which is the number of reports they feel a manager can effectively manage.