In the following example, clock-bad-0.svg, the author has created a clock icon, which may appear satisfactory: Functional shapes can be styled, modified, and have new behavior added to them after the drawing is done. When creating an SVG, consider each individual shape for its function rather than just its initial appearance. There are two main aspects to the structure of an SVG document: the composition of shapes and grouping and nesting. These techniques are applicable across many different use cases for SVG. Replaced elements have a default predetermined width of 300px and height of 150px. Replaced elements include img, object, iframe, and video. replaced element An HTML replaced element is an element which has its content replaced by an external source. Screenreaders are usually controlled through keyboard access, such as serial tab navigation and keyboard shortcuts, and sometimes used in combination with other assistive technology such as screen magnifiers. Typically, a screenreader converts the content into text-to-speech, Braille output devices, or sound icons for use by people who are blind, visually impaired, illiterate, or learning disabled. Definitions screenreader: A screenreader is an assistive technology user agent that identifies, interprets, and transforms the content of the document or webapp into a form that is more easily consumable for its user. It also describes some techniques are unique to specific use cases, such as icons, complex images, data visualizations, animated pictures, interactive applications, or text-heavy images, each with their own optimization. This guide describes general techniques that are applicable across different use cases, including document structure, document order, navigation, and text and text alternatives. round-trip between different authoring and viewing applications.search and index with search engines and other text-based applications.composite with other SVGs, or decompose to use only part of the image.Specifically, this document demonstrates practical techniques for making SVG documents that you can easily: It is intended for use by developers creating SVGs by hand, or for implementers making applications or scripts that output SVG. This document provides informative guidance (but does not set requirements) for authoring SVG. This document describes some best practices for creating interoperability, reusable, performant, efficient, and practical SVG documents, using explanations and code samples. Because of this flexibility, SVG does not dictate a structured content model, though it does provide primitives for structure, which can lead to suboptimal reusability, performance, and efficiency of SVG files, or poor interoperability between different authoring systems. SVG can be generated by script libraries, by GUI drawing applications, or by hand-coding. SVG is a generalized graphics markup language, which can be used for any purpose from icons to complex images to data visualizations to animated pictures to interactive applications.
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