Why unfinished tasks haunt your brain

These sources provide a comprehensive overview of the Agile Definition of Done (DoD), a critical quality standard used to verify when a task is truly finished. The documents distinguish the DoD from other project milestones like the Definition of Ready and Acceptance Criteria, emphasizing its role in fostering team trust and technical excellence. Beyond project management, the texts explore the linguistic nuances of the word "done", specifically its use as a perfective marker in African American Vernacular English and Southern American dialects to signal completed actions. Technical frameworks like Scrum are also detailed, showing how teams use backlogs and sprint planning to deliver functional increments. Ultimately, the collection highlights how clear definitions—whether in software engineering or linguistics—eliminate ambiguity and ensure that "done" signifies a concrete, objective state of completion.