Rarity is the level of how often an item/block is seen.
EXAMPLE:
Rarity Levels[ | ]
Abundant[ | ]
(0)[ | ]
Something that is seen very often. (i.e. Pudding, Flour)
Common[ | ]
(1)[ | ]
Something that is seen often. (i.e. Chocolate Stone)
Uncommon[ | ]
(2)[ | ]
Something that is not seen very often. (i.e. Jelly Ore, Licorice Ore)
Limited[ | ]
(3)[ | ]
Something that is seen barely. (i.e. PEZ ore)
Rare[ | ]
(4)[ | ]
Something that is seen very rarely and is rare to get. (i.e. Jelly King's Wand, Jump wand)