What are wide characters?

Wide characters (wchar_t) are a way to handle Unicode text in C/C++ programs using 4-byte integers that can store any Unicode code point. Unlike single-byte chars limited to ASCII, wide character arrays store text as UTF-32, making it simple to process strings character-by-character through direct indexing. The tutorial covers declaration syntax, printing with printf/wprintf, string functions like wcslen, and the need for locale configuration. While wide characters simplify processing logic, they consume 4x more memory than UTF-8 for ASCII-heavy text, making them better suited for internal processing than storage or network transmission.