This is the name of the backpack item.
This is the type of backpack item whether it be a resource, material, chest, etc.
This is the description of the backpack item. The description will give you an idea of how this resource might look or function in the world of Wyvernia.
This is the icon of the backpack item.
The tabs on the backpack allow you to filter your inventory by item type so you can choose to only see your chests, for example.
This is the number of the item that you own. In the example above, this player has  of the Heartwood resource.
The item that you currently have selected will have a border highlight state around it.