Editing Systems design (section)

===Physical design ===
The physical design relates to the actual input and output processes of the system. This is explained in terms of how data is input into a system, how it is verified/authenticated, how it is processed, and how it is displayed.
In physical design, the following requirements about the system are decided.
# Input requirement, 
# Output requirements,
# Storage requirements,
# Processing requirements,
# System control and backup or recovery.<ref>{{Cite book |last=Arden |first=Trevor |title=Information technology applications |date=1991 |publisher=Pitman |isbn=978-0-273-03470-4 |location=London}}</ref>

Put another way, the physical portion of system design can generally be broken down into three sub-tasks:
# User Interface Design
# Data Design
# Process Design