• A core software component of every major web browser. The primary job of a browser engine is to transform HTML documents and other resources of a web page into an interactive visual representation on a user’s device. Besides “browser engine,” two other terms are in common use regarding related concepts: “layout engine” and “rendering engine.” In theory, layout and rendering (or “painting”) could be handled by separate engines. In practice, however, they are tightly coupled and rarely considered separately. ← Wikipedia

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