preface

A beginning or introductory portion that comes before the main text of a document or book, typically serving to contextualize or explain the writing of the book and sometimes to acknowledge others' contributions; especially, such a discussion written by the work's own author.

An introduction, or series of preliminary remarks.

A variable prayer forming the prelude or introduction to the Eucharistic Prayer or canon of the Mass, following the Sursum corda dialogue and leading into the Sanctus.

A title or epithet.

To introduce or make a comment before (the main point); to premise.

To give a preface to.