Expressions
An expression is an instruction that results in a value of some kind.
The simplest expression can be a literal value such as an integer, a real, a character, a string, or a named variable.
The single value of 33 is an expression. An expression can be comprised of expressions
In the above example, int count = 56;
the 56
is an expression. The WriteLine() contains a complex (compound) expression count + 33 / 2
.