Nomenclature
This page is here to explain what words refer to what mechanic/feature in NodeCore.
Node
A node, otherwise known as a 'block' or 'brick' in other games, is any cubic entity in the world, be it a placed item or whatnot.
Stack
A stack is a node that contains multiple items at once, and is sometimes used to craft things.
Tower
A tower is made when one node is placed atop another.