Descriptions of the hypothetical services shown in Figure 1.
|words.jepstone.net/SpellChecker||The most advanced spellchecker in the universe.|
|words.jepstone.net/Thesaurus||A highly sophisticated thesaurus.|
|apps.microsoft.com/RichTextEditor||A full-featured text editor that includes the ability to mark up text with a wide variety of formatting and fonts.|
|apps.microsoft.com/PlainTextEditor||A plain text editor, suitable for editing unformatted Unicode text.|
|apps.adobe.com/PDFRenderer||A rendering engine that generates PDF output.|
|apps.adobe.com/PSRenderer||A rendering engine that generates PostScript output.|