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(librep.info)Symbol Forms

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Symbol Forms
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   When the evaluator is applied to a symbol the computed value of the
form is the value associated with the symbol in the current
environment. Basically this means that to get the value of a variable
you simply write its name. For example,

     rep-version
         => "1.0"

this extract from a Lisp session shows the read syntax of a form to get
the value of the variable `rep-version' and the result when this form
is evaluated.

   Since forms are evaluated within the current environment the value
of a variable is its most-recent extant binding (with slight
differences for lexical and special variables). Note: Variables.

   If an evaluated symbol has no current binding, an error is signalled.