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.