In a word, yes. S-expressions are a decent representation for data (lists and hierarchical structures) and the sort of code you write in a language derived from

In a word, yes. S-expressions are a decent representation for data (lists and hierarchical structures) and the sort of code you write in a language derived from the lambda calculus, which is function calls. This is not by accident, though, since it is very desirable to manipulate code via macros.