Common Terms
Branch
A branch represents a single element, such as a resistor or a battery.
Node
A node is the point connecting more than 1 branches. Denoted by a dot.
Two terminal element
An element connected to two nodes. Branches are two terminal elements.
Loop
A loop is a closed path through a circuit in which no node is encountered more than once except the start/finish node.
Mesh
A mesh is a loop without having other loops inside it. Subset of loops.