d (directory) type code, using with FTP URLs, 106
data attribute, using with <object> element, 493-494
databinding, overview of, 226-230
datafld attribute, role in databinding, 229
datapagesize attribute, role in databinding, 229
datasrc attribute, role in databinding, 228-229
datetime attribute, using with inserted and deleted text, 85
<dd> (definition in a definition list) element
example of, 75
overview of, 616-617
decimal-leading-zero value of list-style-type property in CSS2, explanation of, 341
deck and cards metaphor for WML, explanation of, 566
declare attribute, using with ActiveX controls, 484
deep linking, explanation of, 532
default value of cursor property in CSS2, description of, 350
definitions, element associated with, 83
° (degree symbol) HTML character entity, description of, 801
<del> (deleted text) element
example of, 85
overview of, 618-619
DELETE method in HTTP requests, description of, 511
delivery testing, performing for Web site projects, 50-51
Demo Company
content management system for, 542-543
e-commerce paper composite for, 41
paper comp for, 38
slicing comps to build template for, 42
subpage paper composite for, 40
Web address for, 542
Demo Company Corporate Summary document, URN and URC for, 135-136
demo.xml example, 555
development servers, importance of, 543
<dfn> (definition) element, overview of, 619-620
DHTML (Dynamic HTML), overview of, 455-456. See also HTML (Hypertext Markup Language)
digital sound, overview of, 247-248
digital video, measurement of, 255
dir attribute
example of, 57-58
overview of, 581
<dir> (directory list) element
example of, 75-76
overview of, 620-621
direction attribute, using with <marquee> tag, 262
directories
indicating with FTP, 105
relationship to URLs, 96-98
specifying with HTTP URLs, 103
in URL addresses, 96-98
directory names, maintaining consistency of, 47, 97
directory path, explanation of, 96
disabled attribute, overview of, 581
disabled form field attribute, explanation of, 396-397
disk drive, considerations associated with, 505
display properties in CSS2, changes in, 343-344
display property, using with CSS1, 324-325
displayl sample file, 234
dithering
effect of, 827
occurrence in GIF images, 143
<div> (division) element
example of, 64-66
overview of, 621-623
using with CSS, 277-278
÷ (division symbol) HTML character entity, description of, 806
divisions and centering, overview of, 64-66
<dl> (definition list) element
example of, 75-76
indenting with, 76
overview of, 623-624
DNS (Domain Name Service), explanation of, 96
doctype statement, referencing DTDs for HTML with, 548
<!DOCTYPE> (Document Type Definition) element
example of, 8-9
explanation of, 6
overview of, 586-587
table of, 11
use of, 10
document structure
overview of, 55-56
specifying with tag pairs, 6
document types, overview of, 10-14
DOCUMENT_ROOT variable in CGI, description of, 413
documents, identifying servers for, 94-96
DOM (Document Object Model)
overview of, 456-457
Web address for, 582
domain names
explanation of, 94-95
Web address for, 96
dot dot slash (../) notation, meaning of, 97
dot slash (./) notation, meaning of, 97
double quotes (")
character entity for, 87
using with attributes, 4-5
double slash (//), meaning of, 89-90
/download directory, contents of, 542
downloadable fonts, using, 186-188, 360, 825-826. See also fonts
Dreamweaver HTML development tool, overview of, 43
<dt> (term in definition list) element
example of, 75
overview of, 624-625
DTDs (document type definitions)
comments in, 841
explanation of, 8
for framed documents, 9-10
importance of, 555
parameter entities in, 841
purpose of, 10
referencing for HTML, 548
specifying location of, 10
using with XML files, 554
XHTML 1.0 frameset DTD, 878-898
XHTML 1.0 strict DTD, 862-878
XHTML transitional DTD, 842-862
dynamic fonts, using, 188-189, 360, 825-826
dynsrc attribute, using with <img> tag in Internet Explorer, 256