Glossary

WebAssembly Text Format: the human-readable text representation of WebAssembly binary code using S-expression syntax. Used for debugging and hand-writing WASM modules.

Waveform Audio File Format: a Microsoft and IBM audio file format standard for storing raw, uncompressed audio on PCs. It is based on the RIFF container format.

WebGPU Shading Language: the shader language for the WebGPU API, designed for GPU compute and rendering on the web.

Windows Imaging Format: a file-based disk image format used by Microsoft for deploying Windows operating systems and Windows PE.

Well-Known Text: a text markup language for representing geometric objects and coordinate reference systems in GIS applications.

Windows Media Audio: a series of audio codecs developed by Microsoft. It includes lossy, lossless, and voice variants for various audio compression needs.

Windows Metafile: a 16-bit vector graphics format for Windows. It can contain both vector and raster components and is used in Microsoft Office clip art.

Windows Media Video: a series of video codecs and container formats developed by Microsoft. It was widely used for streaming and downloading video in the Windows ecosystem.

Web Open Font Format: a compressed font format designed specifically for web use. It wraps TrueType or OpenType fonts with metadata and compression for faster loading.

Web Open Font Format 2.0: the successor to WOFF using Brotli compression for ~30% better compression. It is the recommended font format for modern web development.

WordPerfect Document: the native document format for Corel WordPerfect, once the dominant word processor before Microsoft Word.

Web Services Description Language: an XML-based language for describing SOAP web service functionality, endpoints, and data types.

A free, open-source lossless audio codec supporting hybrid mode (lossy + correction file). It offers competitive compression with fast encoding/decoding.

A JSON file providing metadata about a Progressive Web App (PWA) including name, icons, start URL, display mode, and theme colors.

A set of web platform APIs that allow developers to create reusable, encapsulated custom HTML elements. Web Components consist of Custom Elements, Shadow DOM, and HTML Templates, enabling framework-ag...

A set of metrics defined by Google that measure real-world user experience on the web. Core Web Vitals include Largest Contentful Paint (LCP) for loading performance, Interaction to Next Paint (INP) f...

A binary instruction format for a stack-based virtual machine. WebAssembly enables high-performance code execution in web browsers at near-native speed, allowing languages like C++, Rust, and Go to ru...

An open, royalty-free media container format designed for the web by Google. It typically uses VP8/VP9 or AV1 video codecs with Vorbis or Opus audio.

A modern image format developed by Google providing both lossy and lossless compression. It offers 25-34% smaller file sizes than JPEG and supports transparency and animation.

Animated WebP: the animation variant of WebP format offering smaller file sizes and better quality than animated GIF with full color support.