--don't overwhelm users with choices.  --effectively organize option.  --the &"hierarchy&" or &"80/20&" rule or &"modularity&" chunk things out in different sections
--don't overwhelm users with choices.  --effectively organize option.  --the &"hierarchy&" or &"80/20&" rule or &"modularity&" chunk things out in different sections
operational requirements that cannot be translated into objective technical specifications -should attempt to translate into either primary requirements, derived requirements, or design constraints