Definition: In Greek, "kn_utf8" means a string or an object encoded in UTF-8 format. This term refers to a large collection of Unicode characters that can be stored and retrieved efficiently using native Unicode encoding methods. The term "UTF-8" stands for Universal Format Transcoder, which translates from ASCII to binary in the system. In this context, "kn_utf8" indicates an array or string of characters encoded in UTF-8 format, making it easier to process and communicate information with other systems that support Unicode.