This can be any single shape, a rectangle, a circle or even a star.
Select all the objects that you want to clip / crop, and group them together with Object > Group from the menu.The process is pretty simple to clip (crop) a group of objects in Inkscape: Basic process for cropping / clipping in Inkscape The Clipping feature is an easy and versatile way to crop vector or bitmap/raster objects in Inkscape. If you are exporting your inkscape document (SVG) to a bitmap (a PNG) with the “File > Export Bitmap” command, and want to only export a portion of your document, then changing the document size, and just exporting the document is probably the solution for your needs.If you have a single path or object (like a star or a rectangle), and want to trim or crop that object down, then Boolean Operations is probably what you need.
One of the most frequently asked questions from Inkscape users is “how do i crop an image or object?”.