argument
block
buffer
built-in type
cerr
cin
class
class type
clog
comments
condition
cout
curly brace
data structure
edit-compile-debug
end-of-file
expression
for statement
function
function body
function name
header
if statement
iostream
istream
library type
main function
manipulator
member function
method
namespace
ostream
parameter list
preprocessor directive
return type
source file
standard error
standard input
standard library
standard output
statement
std
uninitialized variable
variable
while statement
() operator
++ operator
+= operator
. operator
:: operator
= operator
<< operator
>> operator
== operator
!= operator
<= operator
< operator
>= operator
> operator