Linked from
The 12 pages that link to Parsing, each with the reason it gives.
CompilerBroader topic: It checks whether the token sequence fits the programming language's grammar.
Abstract syntax treeRelated: A parser constructs an AST from source text or tokens.
Formal grammarRelated: Parsers use grammars to recognize strings and recover their derivations.
InterpreterRelated: Interpreters commonly parse source text before evaluating its structure.
DerivationRelated: A grammar derivation can show how a string is generated from its start symbol.