title: C++ - Macro defines directive
body: <p>At: <a href="http://www.learncpp.com/cpp-tutorial/110-a-first-look-at-the-preprocessor/" rel="nofollow">http://www.learncpp.com/cpp-tutorial/110-a-first-look-at-the-preprocessor/</a></p>
  
  <p>It mentions a directive called "<strong>Macro defines</strong>". What do we mean when we say "<strong>Macro</strong>"?</p>
  
  <p>Thanks.</p>