Buildings and Upgrades
Defense
Defense is paramount in defending your village. Here you will find a complete list of the information you need to upgrade you defenses.
Army
Build a strong army to take into battle. To do this you will need to upgrade your troops to the highest level possible. All the information you need to upgrade you troops can be found here.
Town Hall and Clan Castle
To advance through the game you will need to upgrade your town hall. Rebuild your clan castle to join or create your own clan, doing so will allow you to donate troops to fellow clan members.
Resources
These are perhaps the most important items in the game. You need generate resources in order to advance you village. A full list of the generation rates can be found here.
Decorations
These types of items can often be overlooked by players. However, these items will fill gaps in your village, preventing attackers from being able to spawn close or within your village.