In Minecraft, you have a fixed inventory slot that can quickly fill up if you keep gathering resources. Some of your inventory slots will be filled with various tools and weapons that you create.
Minecraft has a lot of items, with more being added with every update. It can be easy to forget the names of the hundreds of different blocks and items that you might run into while playing the game.
A Minecraft mod can completely change the game by adding Breath of the Wild-style mechanics, or something simpler like letting you see a lot of stats. The best Minecraft mods change all the time, but ...