Present what each individual BNF rule looks like, and briefly explain its components.

What will be an ideal response?

Each individual BNF rule looks like this:

left-hand side ::= "definition"

The left-hand side of a BNF rule is the name of a single grammatical category, such as , , or . The BNF operator ::= means "is defined as," and "definition," which is also called the right-hand side, specifies the grammatical structure of the symbol appearing on the left-hand side of the rule. The definition may contain any number of objects.