Milestone One emphasizes the significance of code review in professional software development. It defines code review as a key practice for detecting errors, improving code quality, and fostering team collaboration. The assignment discusses best practices, including reviewing small chunks of code, maintaining focus during reviews, using checklists, and promoting constructive feedback. This code review is based on the Grazioso Salvare Dashboard and outlines a structured plan to evaluate the code's logic, data structures, and database integration, aligning with Capstone rubric categories and industry standards.