# Product images - [Image sizes](https://themedocs.zenit.design/en/content/product-images/image-sizes.md): Image size is the resolution of the image in pixels. - [Aspect ratio](https://themedocs.zenit.design/en/content/product-images/aspect-ratio.md): The aspect ratio means if an image is in landscape, square or portrait mode. - [File format](https://themedocs.zenit.design/en/content/product-images/file-format.md) - [Product image background](https://themedocs.zenit.design/en/content/product-images/product-image-background.md): Most of the product images are on a white background or transparent background. With our themes you can define a background color for the article image. --- # Agent Instructions: Querying This Documentation If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question. Perform an HTTP GET request on the current page URL with the `ask` query parameter: ``` GET https://themedocs.zenit.design/en/content/product-images.md?ask= ``` The question should be specific, self-contained, and written in natural language. The response will contain a direct answer to the question and relevant excerpts and sources from the documentation. Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.