This is used to make your crafting progress much easier in one popular title.
You could simply search for an item you have to craft, click on and see information about it.
It's possible to see item's price, type, name, in-game icon.
Every item recipe is displayed, you can see ingredients plus stations where to craft them.
Also you can see what is this item used for in case you don't know the item's name you have to craft but you know the name of ingredient.