PREN 15380-4 : DRAFT 2009

Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Symbols and abbreviated terms
5 Functional structure
  5.1 General remarks
  5.2 Indication systematic
  5.3 Code letters
      5.3.1 Code letters used to designate 1[st] level
            function groups
      5.3.2 Code letters used to designate function
            groups from the 1[st] to the 3[rd] level
  5.4 Transverse functions
Annex A (informative) - Functions on level 4 and level 5
Annex B (informative) - Interrelation between EN 15380-2
        and EN 15380-4
Annex C (informative) - Elementary functions
Annex D (informative) - Code letters used to designate detail
        Properties
  D.1 General
  D.2 Indication systematic
Annex E (informative) - Example for a complete structure
        of function groups
Annex F (normative) - Rules to define the function level
Annex G (informative) - Rules to create function names
  G.1 General
  G.2 Function terms
  G.3 Rules for creating function short names
Bibliography