При передаче платы на трассировку предлагается куча вариантов (см. ниже). Поясните пожалуйста - что и для чего?
P.S. Пакет OrCAD16

Allegro PCB SI GXL
Allegro Package Designer XL
Cadence SiP Digital SI XL
Cadence SiP Digital Architect GXL
Cadence SiP Digital Layout GXL
Cadence SiP RF Layout GXL
Allegro Package SI L
Allegro PCB SI XL
Allegro PCB Design XL
Allegro PCB Design XL
Allegro PCB Design GXL
PCB designer
Allegro Package SI 610
Allegro Package Designer L
Allegro PCB Router XL
Allegro PCB Design L
Allegro PCB Design L with Performance Option
Allegro Router Auto/Interactive option L
Allegro PCB Design L with Performance Option
Allegro Router Auto/Interactive option L
Allegro Router Auto/Interactive option L with ADV rules
Allegro PCB Router 256U L with ADV and DFM Option and HP Option
Allegro PCB Router 6U L with ADV and DFM Option and HP Option
Allegro designer
Allegro Package Designer
Allegro PCB SI XL
Orcad Unison SPECCTRA
Orcad Unison PCB
Orcad Unison ULTRA
Specctra for OrCAD
Orcad PCB Designer
Orcad PCB Designer with PSpice