Data label
A data label is text attached to a visual element or data representation that identifies or explains a represented value, category, measure, or element.
D3.js in Action, Third Edition
A chart label is text attached to a graphical data representation to identify a category, value, or other chart element.
- How it is used
- Identifies bar categories and communicates the values represented by their lengths.
- How deep it goes
- Builds labels through SVG text elements, groups, data binding, transforms, coordinates, and styling.
- Examples
- Uses a technology bar chart with category names on the left and counts positioned at rectangle tips.
- What you can do after
- Builds labeled SVG bar charts with grouped bars, category text, value text, and explicit positioning.
Read how D3.js in Action, Third Edition explains data label →
Everyday Data Visualization
Text attached to a visual element or data display that identifies or explains the represented value, category, measure, or element.
- How it is used
- Reinforces a visualization’s main point and exposes essential information without requiring interaction.
- How deep it goes
- Explains placement decisions through audience time, information priority, tooltips, feedback, and typographic consistency.
- Examples
- Uses survey-response bars with counts in labels and totals or percentages in tooltips, plus consistently styled wage-chart labels.
- What you can do after
- Apply it by making key values visible, reserving secondary details for tooltips, and using label changes as interaction feedback.
Related concepts
- tooltipcontrasts with · A tooltip is a transient interface label that displays brief contextual information near an associated element during interaction.
- SVG textuses · SVG text is textual content represented by a <text> element positioned within an SVG graphic.
- captionincludes · A caption is text associated with visual or audiovisual content that identifies, describes, or represents its content.
- checklistpart of · A structured list of tasks, questions, or criteria used to guide an activity or systematically verify that relevant requirements have been addressed.
- feedbackused by · Feedback is information about an action, system, or outcome that can inform evaluation, decisions, or subsequent behavior.
- training datasetpart of · A collection of examples or observations supplied to a learning procedure to fit or adapt a model or learn its patterns or parameters.
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