Answer / chetan

Symbol table is save the Macro varibale list.
Local symobl table save the local macro varibale &
Global symbol table save the global macro varibale.

Answer / suman

Macro variables are stored in symbol tables, which list the
macro variable name and its value. There is a global symbol
table, which stores all global macro variables. Local macro
variables are stored in a local symbol table that is
created at the beginning of the execution of a macro.

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