bookmarkDescriptions = (object)"bookmarkDescriptions";
Word.Range rangeDescriptions = aDoc.Bookmarks.get_Item(ref bookmarkDescriptions).Range;
foreach (var item in items)
{
//Add a paragraph with some text
Table descTable = aDoc.Tables.Add(oSelection.Range, 1, 2, ref missing, ref missing);
//Insert some text into the cells//Add a another paragraph with some text
}