Ключевые слова: achievement, activity, business, businessman, change, check, check mark, checklist, checkmark, complete, concept, control, deadline, development, diary, document, effective, efficient, goal, graphic, handling, journal, lifestyle, list, management, mark, organization, organizer, people, person, plan, planner, process, productivity, progress, project, reminder, schedule, selfimprovement, skill, staff, strategy, success, task, teamwork, time, timeline, timetable, tracker, work,