A no-frills visual sketch of a website or app that lays out all the elements—like buttons, images, and text—without the distractions of color or design. It’s the rough draft of your digital masterpiece, showing where everything should go before you slap on the glam. Think of it as the blueprint that says, “This is how we roll!”—perfect for nailing the layout before diving into the aesthetics. It’s all about getting your ducks in a row before you make it pretty!