You&#x27;re about 40 years too late to complain about foo and bar being debased: <a href="https:&#x2F;&#x2F;en.wikipedia.org&#x2F;wiki&#x2F;Metasyntactic_variable" rel="nofollow">https:&#x2F;&#x2F;en.wikipedia.org&#x2F;wiki&#x2F;Metasyntactic_variable</a>