What is meant by Preview function?

The "preview function" refers to the ability to preview files or content before opening or editing them completely. This feature allows users to quickly get an overview of the content of a file without actually opening it. The preview function is used in various applications and operating systems to improve efficiency when browsing and organizing files.

Typical functions of software in the "preview function" domain include:

File preview: The software provides a preview of files, including documents, images, videos, or audio files, to give a visual or textual insight into the content.
Quick preview: The ability to generate and display file previews quickly to ensure a smooth user experience.
Preview customization: The capability to adjust the size, display, and settings of the preview to meet the requirements and preferences of users.
Interactive preview: The software allows users to navigate, zoom, or scroll within the preview to examine details more closely.
Support for various file formats: The preview function supports a variety of file formats to display a wide range of content.
Preview of metadata: Displaying metadata or file information alongside the preview to provide users with additional context information.
Preview of multi-page documents: The ability to preview multi-page documents such as PDFs or presentations and navigate between pages.
Preview of archive files: The software allows previewing the contents of archive files such as ZIP or RAR files before extracting them.