glossary D
Deutsch: Durchmesser / Español: Diámetro / Português: Diâmetro / Français: Diamètre / Italiano: Diametro
In geometry, the diameter of a circle is any straight line segment that passes through the center of the circle and whose endpoints lie on the circle.
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.
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.
Drilling -is described as the use of such a machine - drill to create holes for exploration or for loading explosives.