Dashboard UI Guide

Area Chart

Emphasizes magnitude over an ordered sequence by filling the area under a line.

What question it answers

How is a time-based measure changing when overall magnitude should remain visually prominent?

Where to use it

Trend sections where accumulated magnitude or visual weight matters in addition to direction.

When to use it

Use it when change over an ordered sequence matters and the magnitude or cumulative volume should feel visually prominent.

When not to use it

Avoid overlapping many opaque areas because occlusion makes comparison difficult.

Responsive design

Preserve the baseline and overall trend; simplify labels and avoid stacking multiple filled areas when the viewport becomes narrow.

Arabic and RTL

Mirror surrounding controls and text alignment, but preserve the logical order of time and the numeric scale used by the series.

Anatomy

Chart context
Names the measure and period; it also says whether areas are stacked, because stacking changes how every area must be read.
Filled area
The fill adds visual weight to the magnitude under the line. It works best with one series, or a few semi-transparent ones.
Time axis
Orders the observations in time. The area is only meaningful when the steps are regular.
Value axis (starts at zero)
Because the fill represents a quantity, the baseline must be zero; a cropped axis exaggerates the area.

Accessibility

  • Pair filled regions with labels, line boundaries or patterns so meaning is not dependent on subtle color differences.

All lessons

  1. Bar Chart — Compares values across categories using length on a common scale.
  2. Line Chart — Shows change across an ordered sequence, most often time.
  3. Area Chart — Emphasizes magnitude over an ordered sequence by filling the area under a line.
  4. Pie / Donut Chart — Shows a small number of parts that make up one meaningful whole.
  5. Scatter Plot — Reveals relationships, clusters and outliers between two numeric variables.
  6. Histogram — Shows the distribution of a numeric variable across value ranges.
  7. Box Plot — Summarizes distribution, median, spread and potential outliers compactly.
  8. Heatmap — Uses color intensity across a matrix to reveal patterns and concentration.
  9. Treemap — Shows hierarchical part-to-whole relationships through nested rectangles.
  10. Funnel Chart — Shows how a population changes through ordered stages of a process.
  11. Waterfall Chart — Explains how positive and negative contributions produce a final total.
  12. Sparkline — Shows a compact trend without the full framing of a standard chart.
  13. Gauge — Shows one value within a bounded range when position against a threshold matters.
  14. Combo Chart — Combines compatible visual marks when two related measures need coordinated comparison.
  15. Geographic Data Map — Maps values to locations or regions when geography is part of the question.
  16. KPI / Stat Card — Presents one important metric with enough context to judge its current value and change.
  17. Data Table — Presents structured records in rows and columns, with table-level search, filtering, sorting, selection and pagination treated as parts of the whole component.
  18. Dashboard Card / Panel — Groups one coherent dashboard task, metric or visualization into a bounded region with clear hierarchy.
  19. Filter Bar — Places the most important scope controls close to the data they affect.
  20. Filter Panel — Collects a larger set of filtering controls in a dedicated surface.
  21. Date Picker / Date Range Picker — Lets users choose one date or a bounded time range for reports, filters and analytics.
  22. Sidebar Navigation — Provides persistent access to major dashboard destinations and groups.
  23. Top App Bar — Holds page identity, global actions and high-priority controls at the top of an application.
  24. Breadcrumbs — Shows hierarchy and provides a path back through nested dashboard levels.
  25. Tabs — Switches between peer views inside the same dashboard context.
  26. Alert / Banner — Communicates important contextual or page-wide information that should remain visible until understood or resolved.
  27. Toast — Confirms a brief asynchronous outcome without blocking the current task.
  28. Notification Center — Collects system and workflow updates that users may need to revisit.
  29. Dropdown / Overflow Menu — Moves lower-priority or contextual actions into an on-demand menu.
  30. Modal / Dialog — Creates a focused temporary task that may block interaction with the underlying dashboard.
  31. Drawer / Side Panel — Opens contextual controls or details from an edge while preserving the page behind it.