| Subject | English | Japanese |
| comp. | n document type declaration | 文書型宣言 |
| comp. | n document type declaration subset | 文書型宣言部分集合 |
| comp., MS | document type definition | ドキュメント型定義 (A set of syntax rules for mark-up tags and their interpretation. Within an HTML (or XML) document, a DTD provides specific information on what tags are used in the document (and in what order those tags should appear), which tags can appear inside other ones, which tags have attributes, and so forth. Originally developed for use with Standard Generalized Markup Language (SGML), DTD defines the relationships between document elements) |
| comp. | n document type definition | 文書型定義 |
| comp. | n document type specification | 文書型指定 |