Mētis
Mētis is typically translated into English as “cunning” or “cunning intelligence.” While not wrong, this translation fails to do justice to the range of knowledge and skills represented by mētis. Broadly understood, mētis represents a wide array of practical skills and acquired intelligence in responding to a constantly changing natural and human environment.
Kelly explains why we should develop and maintain the understanding of a project in order to succeed. Failure to do so is one of the major reason big rewrites or redesigns fails.