Right-clicking reveals its uses, i.e., what you can craft with it. You can scroll through this list or search for specific items using the search bar. The Just Enough Items mod offers several important features that make managing your Minecraft inventory and crafting tasks a lot easier:
Key Features of the Just Enough Items (JEI) Mod
In essence, it serves as a comprehensive in-game database of every single item in your Minecraft world, complete with their crafting recipes and uses. The JEI mod helps players by showcasing item crafting recipes, smelting instructions, and more, right in the game’s user interface.