Detailed Explanation: Using standard English words and phrases helps ensure that the message is easily understood, especially by non-native English speakers. Avoiding jargon, idioms, and complex sentence structures improves clarity and reduces the likelihood of misunderstandings. According to the BoK, effective communication is essential in quality management, particularly in global and cross-cultural contexts, where clear, simple language supports better collaboration and understanding.

Detailed Explanation: Classifying customers based on markets and end-users helps the organization to tailor products, services, and marketing strategies to specific customer needs and characteristics. This classification provides a clearer understanding of the customer base, supporting targeted quality improvement initiatives.
According to the BoK, customer segmentation is crucial for aligning products and services with the unique needs of different customer groups, thus enhancing customer satisfaction.

The Reaction evaluation method assesses participants' immediate response to training, such as their satisfaction with the training experience. While it is relatively easy to collect feedback through surveys or questionnaires, this method provides limited insight into the effectiveness of the training in terms of learning outcomes or behavior change. It primarily captures subjective opinions and feelings rather than objective performance improvements. Therefore, while it serves as a quick gauge of participants' reactions, it does not provide substantial evidence of training impact or organizational improvement1.
: 1: ASQ. (2019). Certified Manager of Quality/Organizational Excellence (CMQ/OE) Body of Knowledge. Retrieved from ASQ CMQ/OE Body of Knowledge1.