The sections in the Shop 
are the same as in the Inventory:
Energy, containing items that replenish Energy.
Tools, containing items that help you complete levels inside buildings.
Chests, containing bundles.
Talismans, containing items that speed up game progress by increasing Experience, Coins, the chances of finding an item, etc.
Resources, containing items needed to assemble collections.
Bandits, containing items for arresting bandits and assembling bandit-related collections.
Events, containing all event-related items.