The term 'Beginning Part' can be described by two crossword solutions: EXORDIUM (8 letters) and INTRO (5 letters). EXORDIUM is derived from Latin and means the beginning or introduction of a discourse. It is often used to refer to the opening words of a speech or poem. INTRO, on the other hand, is a shortened form of the word introduction and is used to describe the first part of something, such as a book, song, or movie. Both terms are used to refer to the start of something, and are often interchangeable.