Collaboration: They facilitate team collaboration by providing clear communication among team members, reducing misunderstandings. Maintenance: They make it easier to maintain and update the email template by providing context and explanations about specific sections of the code. Training: They serve as a valuable resource for new team members, helping them understand the structure and purpose of different parts of the email. Efficiency: They save time and effort by reducing the need for back-and-forth communication to clarify code-related queries.