Definition: FCKeditor stands for "Flexible Code Editor". It's a JavaScript-based code editor that uses HTML5, CSS3, and SVG. It allows users to write simple HTML/CSS/JS code in plain text on the page. Definition: FCKEditor is an open-source JavaScript code editor software developed by Codex. It provides a user-friendly interface for writing, editing, and sharing of content using HTML, CSS, and JavaScript. FCKEditor is known for its simplicity, ease of use, and ability to handle complex content types like videos, images, and PDFs with great flexibility. It supports various programming languages including HTML, CSS, JavaScript, and SVG, making it ideal for both web development and graphic design.