The town hall is the centre and heart of your village. Upgrading allows more buildings and units to be made. If an enemy destroys this, they automatically get 1 star. Protect the town hall if you are playing for trophies.
Elixir is key for troops and buildings. Build and upgrade elixir collectors for your own supply.
Elixir storages simply store your collected elixir. Upgrade to store more and increase your amount of elixir stored.
Gold is used for buildings. Build and upgrade these for your own supply of gold. Upgraded mines produce more gold.
Gold storages simply store your collected gold. Upgrade to store more and increase your amount of gold stored.
Builders are needed for buildings and upgrades. The more builders you have, the more that can be made/upgraded simultaneously. Builders must finish one job before they can embark on another.
Dark Elixir storages simply store your collected dark elixir. Upgrade to store more and increase your amount of dark elixir stored.
Dark Elixir Storage
Extracts dark elixir for upgrades and troops. Upgrade to produce more dark elixir.
Dark Elixir Drill
After training troops, they are stored here. Upgrade the army camps to house more troops.
Barracks allow you to train troops. Upgrade the barracks to train more advanced and powerful troops.
The laboratory researches upgrades for your troops, defenses, spells etc. Upgrade the laboratory to research more powerful troops and spells.
With the spell factory you can make spells which can be used when attacking an enemy. These spells include, lightning, healing, rage, jump and freeze spells.
Same as a normal barrack except used to train dark troops with dark elixir.