Cities → Cities are built on existing settlements and they earn double as many resources as settlements. Each city is worth 2 victory points.
Development cards → Cards you can purchase with resources that offer different benefits to players.
Harbors → Opportunities for maritime trade along the coast. Each one has a different ratio and corresponding resource. Harbors can be used by anyone who builds a settlement on one of their access points.
Knight → A development card that activates the robber.
Largest Army → 2 victory points awarded to the first player who plays 3 knight cards.
Longest Road → 2 victory points awarded to the first player who builds 5 consecutive roads.
Resources → Wheat, ore, lumber, sheep, and brick. These serve as money in Catan and they allow you to build your territory and trade with other players.
Roads → The pieces that connect your territory. There must be at least 2 roads between any 2 of your settlements and cities.
Robber → The piece used to cover number tokens, preventing that hex from producing resources. The robber is activated when a 7 is rolled and when a knight is played.
Settlements → The pieces that allow you to earn resources. Build them on intersections of terrain hexes. Each settlement is worth 1 victory point.
Terrain Hexes → Term for the hexagons that make up the board. Each hex represents a different type of terrain that produces 1 of the above resources.
Victory points → The point system of Catan. The first player to earn 10 victory points wins.