Wörterbuch (en): Preliminary sketch / Design drawing / Blueprint
de: 
Entwurfszeichnung (f) / Architektenzeichnung (f) 
fr: 
Ébauche (f) 
it: 
Disegno preparatorio (m) 
es: 
Bosquejo (m) 
A form of architectural representation. The architect uses these drawings and sketches to develop, articulate and finally present his or her ideas.
