Net A net is defined as the physical interconnection between the structural elements. Net and wire are often used interchangeably
Bus An object that is used to define the connection of multiple nets
Designator Unique name of component
Hierarchical Design There is a parent sheet with the schematics of child sheets idealized to “black boxes”
Multi-channel design Repetition of the same sheet multiple times
repeat(name, 1, # of instances) Keyword that creates multiple instances of a component
Directive A special set of rules that a designer can enforce on a layout. Denoted by a red i
Blanket The area affected by a directive
Pad Sharing Technique used to direct the person soldering multiple of the same board with different variants. Involves pads overlapping to prevent the wrong component (from alternative variants) from being soldered
Footprint Size of component pad. Common values include: 0201, 0402, 0603, 0805
08 (8 mil length) 05 (5 mil width)