noun, noun or participle which takes 'suru', transitive verb
synopsis; bibliographical annotation; explanatory note
Used for a concise summary or critical description of a book or document, often in bibliographies or library catalogs. Can also be used as a suru-verb meaning to write such a summary.
この本の巻末には、各章の解題が付いている。
At the end of this book, there is a synopsis of each chapter.
図書館の目録には、各資料の解題が記載されている。
The library catalog includes annotations for each item.