Difference between Stored Procedure and Function

Stored Procedure :supports deffered name resoultion Example while writing a stored procedure that uses table named tabl1 and tabl2 etc..but actually not exists in database is allowed only in during creation but runtime throws error
Function wont support deffered name resolution. Stored procedure returns always integer value by default zero. where as function return type could be scalar or table or table values(SQL Server).Stored Procedure is pre compiled exuction plan where as functions are not.