Glossary D

Deutsch: Daten
Data are values of qualitative or quantitative variables, belonging to a set of items. Data in computing (or data processing) are represented in a structure, often tabular (represented by rows and columns), a tree (a set of nodes with parent-children relationship) or a graph structure (a set of interconnected nodes). Data are typically the results of measurements and can be visualised using graphs or images.

Deutsch: Entwurf / Español: Diseño / Português: Rascunho / Français: Conception / Italiano: Bozza /

Drafting, in the context of cartographic reproduction, refers to the process of creating a final map or chart from original survey or field notes, sketches, or other source materials. It involves the careful transfer of information from these sources onto a clean, final map or chart using a variety of manual or digital drafting techniques.

DVD is the acronym of digital versatile disk (DVD).

Drilling -is described as the use of such a machine - drill to create holes for exploration or for loading explosives.

Dynamo is described as a mechanical device that converts mechanical energy into electrical energy through electromagnetic induction process.

Diazo film is used as a medium for storing the working copy of a silver hallide film.

Developer is identified as a chemical that causes a reaction in an exposed emulsion to reveal an image in that emulsion.

Derrick is a tall frame with tackle for hoisting heavy weights. It is also called the upper part of an oil rig, the boom on a crane.