| var | ,name | S | 
|  | returns the value of binding named ,name 
       in the current environment. |  | 
| lit | ,lit | S | 
|  | syntactic literals that are self-evaluating. |  | 
| QUOTE | (QUOTE ,form) | S | 
|  | with ',form  ==  (QUOTE ,form) (cf., Scheme's QUOTE) |  | 
| special | (,special ,@args) | S | 
|  | GOO defines a number of identifiers as the names of special
       forms, which if seen in function call position cause special form
       specific evaluation. |  | 
| call | (,f ,@args) | S | 
|  | otherwise lists represent function calls. |  | 
|  |