Label
A label is human-readable text displayed with a control, field, data value, category, or visual element to identify or explain its meaning.
D3.js in Action, Third Edition
A label is an annotation placed in or beside a visualization to identify the meaning of a visual element or data value.
- How it is used
- Clarifies the meaning of lines, areas, circles, and data values while improving visualization readability.
- How deep it goes
- Implements SVG and HTML labels with positioning, alignment, wrapping, filtering, and interaction, without developing a general labeling system.
- Examples
- Uses a temperature line-and-area chart and a language circle pack with selective labels and hover-provided information.
- What you can do after
- Builds chart annotations with D3 by positioning SVG text, embedding wrapping HTML, and adding labels selectively or interactively.
Get Programming: Learn to code with Python
A label is a graphical user-interface widget that displays non-editable text or other descriptive content.
- How it is used
- Uses labels to give instructions, display results, and show changing status information in tkinter windows.
- How deep it goes
- Explains creation, placement, and text updates, but does not develop label styling or layout beyond pack.
- Examples
- Uses a color window, a countdown timer, and a phonebook interface to demonstrate labels.
- What you can do after
- Build it from scratch by creating, placing, and updating labels in interactive tkinter programs.
Read how Get Programming: Learn to code with Python explains label →
The Design of Web APIs, Second Edition
A label is human-facing text that expresses the meaning of a coded value or business concept.
- How it is used
- Improves API usability by making coded values understandable to developers and end users.
- How deep it goes
- Explains inline labels, code-label objects, centralized lookup operations, caching, and locale translation.
- Examples
- Uses bank account types, transaction categories, code lookup endpoints, and translated travel-agency labels.
- What you can do after
- Apply it via HTTP content negotiation and code lookup operations to make API values interpretable.
Read how The Design of Web APIs, Second Edition explains label →
Related concepts
- Markdownuses · Markdown is a lightweight markup language that uses readable plain-text syntax to represent structured and formatted documents.
- widgetkind of · A widget is a self-contained user-interface component that displays information or provides a focused interaction.
- controlkind of · A control is an interactive user-interface element that displays information or accepts input to let a user view or change an application or system.
- SVG textkind of · SVG text is textual content represented by a <text> element positioned within an SVG graphic.
- HorizontalStackLayoutpart of · HorizontalStackLayout is a .NET MAUI layout that arranges child views sequentially along a horizontal axis.
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