"The site has two main branches [..] The first ('About CURSUS') takes you to pages which explain the nature of the project and of the data it presents, its editorial method, and the technologies we have employed. The other ('Explore CURSUS data') will take you directly to the pages which enable you to access the data. The purpose of the CURSUS project is to employ the Extensible Markup Language (XML), together with transformations performed by the Extensible Stylesheet Language (XSLT), to make data from sources of medieval Latin liturgy available on the Web."