Sentences, Words, and Characters objects: Returns a Range object that represents the first sentence, word, or character in a document, selection or range. Read-only.
Columns, Paragraphs, Rows, and Sections objects: Returns the first item in the specified collection. Read-only. For example, both of the following instructions return a Paragraph object that represents the first paragraph in the selection.
Selection.Paragraphs.First
Selection.Paragraphs(1)