What does the term 'punctilious' suggest about attention to detail?

The term 'punctilious' is used to describe someone who is marked by strict attention to detail, particularly regarding the observance of formalities or rules. Someone who is punctilious tends to be meticulous and precise, demonstrating an attentive approach towards duties and social conventions. This level of diligence reflects a conscientious attitude, often ensuring that all actions conform to established standards of conduct. In contrast to the other options, which suggest carelessness, indifference, or a laid-back attitude, the correct choice highlights the characteristic of being careful and following protocols closely. Thus, 'punctilious' conveys a rigorous commitment to detail and propriety.