This standard presents the key elements and principles of the control chart approach and covers a variety of control charts (including those related to Schuhart control charts, those with an emphasis on process acceptance or online process adjustment, and specialized control charts). It also introduces basic principles and concepts and illustrates the relationships between various management chart approaches to help select the most appropriate standard for a given environment. Statistical management methods using control charts are not covered. These methods are covered in Parts 2, 3, and 4 of KS Q ISO 7870.?