Uses of Package
org.bukkit.inventory.meta

Packages that use org.bukkit.inventory.meta 
Package Description
org.bukkit.entity
Interfaces for non-voxel objects that can exist in a world, including all players, monsters, projectiles, etc.
org.bukkit.event.player
Events relating to players.
org.bukkit.inventory
Classes involved in manipulating player inventories and item interactions.
org.bukkit.inventory.meta
The interfaces used when manipulating extra data can can be stored inside item stacks.