Gantt Chart Visualization Overview Use this skill when work is organized around time spans, milestones, dependencies, resources, or schedule risk. A Gantt chart is a product surface as much as a chart: it usually combines a task grid, a calendar axis, bars, milestones, dependency links, editing rules, and integration with a project-management source of truth. Default assumption: recommend a Gantt chart only when the schedule itself is the evidence. If the user mainly needs flow state, task ownership, ranking, issue status, or calendar booking, consider Kanban, tables, milestone timelines, dep…