Range from simple tags to complex graphics that are part of the package (note that labeling is a part of packaging)
Several functions
Identifies the product or brand
Describes several things – who made it, where and when it was made, contents, how to use (safely)
Promote the product through attractive graphics
Recent developments
Unit pricing (price per unit of standard measure)
Open dating (expected shelf life of the product)
Nutritional labeling (nutritional values of the product)