Data processing 77 Design and construction 45 Design 27 Digital electronics 27 Database management 26 Dictionaries 24 Digital communications 19 Data transmission systems 16 Design and construction -- 15 Doctrines 12 Development 11 Dynamics 11 Decision making 10 Desktop publishing 10 Digital techniques 10 Dianetics 9 Dictionaries -- 8 Dies (Metal-working) 7 Directories 7 Data structures (Computer science) 6 Database management -- 6 Design -- 6 Drawings 6 Dreamweaver (Computer file) 6 Database design 5 Defects 5 Deterioration 5 Dies (Metal-working) -- 5 Diesel motor -- 5 Differential equations 5 Directories -- 5 Data processing -- 4 Digital control systems 4 Director (Computer file) 4 Directories. -- 4 Drug abuse -- 4 Da'wah (Islam) 3 Defects measurement 3 Detectors 3 Detectors -- 3 Development psychology 3 Devil -- 3 Digital video 3 Distributed processing 3 Data transmission systems -- 2 Decision making -- 2 Democracy -- 2 Developmental psychology 2 Dictionary 2 Die-casting 2 Diesel motor 2 Difference equations 2 Digital communications -- 2 Digital filters (Mathematics) 2 Digital integrated circuits 2 Digital video -- 2 Discrete-time systems 2 Distance education 2 Dressmaking -- 2 Drug abuse 2 DEC computers 1 Damping (Mechanics) 1 Data base design 1 Data base management -- 1 Data disk drives 1 Data protection 1 Dataprocessing 1 Death -- 1 Decision Making 1 Decision support systems 1 Defects -- 1 Deformations (Mechanics) 1 Delay lines 1 Delegation of authority 1 Delivery of goods -- 1 Delphi (Computer file) 1 Demography -- 1 Demonology, Islamic 1 Descriptive cataloging -- 1 Descriptive catalogingxStandards -- 1 Design and plans -- 1 Design, Industrial 1 DesignCAD 1 Designs and plans -- 1 Desktop publishing -- 1 Developing countries education 1 Diamonds, Artificial 1 Die-casting -- 1 Diesel engines 1 Diet 1 Diet -- 1 Dietary laws 1 Difference equations -- 1 Differential equations -- 1 Differential equations, Linear 1 Differential equations, Partial 1 Diffraction 1 Digital computer simulation 1 Digital electronic -- 1 Digital electronics -- 1