2. Lexicon
A 'Lexicon' is a general term meaning a collection of terms related to a specific subject.
Every computer language has a set of keywords and symbols which it uses to produce source code.
For example many computer languages use terms such as '=', 'if' and so on. A few more are shown below.
In computer programming, a lexicon is a set of terms, called 'keywords' or 'reserved words' that the compiler is designed to understand.
Compilers for each language will have different lexicons, containing the keywords used by that language.
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