The document discusses indigenous knowledge (IK), also known as indigenous technical knowledge (ITK). It defines IK as the traditional knowledge developed by local communities through generations of living close to nature. The United Nations and other organizations have recognized the importance of IK. ITK refers specifically to the skills and technologies passed down within communities. The document outlines various terms used for IK and how it is an adaptive system held by communities. It also discusses the importance of documenting and validating IK using various methods to ensure its preservation and integration into agricultural research and development.