Explorations 17–19 discussed characters, but only hinted at bigger things to come. Exploration 54 started to examine these bigger issues with locales and facets. The next topic to explore is how to wrangle character sets and character encodings in an international setting.
This Exploration introduces wide characters, which are like ordinary (or narrow) characters, except that they usually occupy more memory. This means the wide character type can potentially represent many more characters than plain char. During your exploration of wide characters, you will also get to know more about Unicode.
Why Wide? ...