For example, ctrl-a means "select all".
For ctrl-x, ctrl-c and ctrl-v, see also Cut and paste and Copy and paste.
External link
... Kingdom) 1969 - Graham Hill, (United Kingdom) 1970 - Jochen Rindt, (Austria) 1971 - Jackie Stewart[?], (United Kingdom) 1972 - Jean-Pierre Beltoise[?], (France) 1973 - ...