This step-by-step guide to erecting a privacy fence could help. Most privacy fences are built 6 feet tall. While slats can be purchased individually, it's more common to buy fencing panels in prefabricated 8-foot sections. Individual slats are normally used for fence repair and installation adjustments.
Swan definition, any of several large, stately aquatic birds of the subfamily Anserinae, having a long, slender neck and usually pure-white plumage in the adult. See more. Dictionary.com
The actual term 'swan song', with its current figurative meaning, doesn't crop up in print until the 18th century. The Scottish cleric Jon Willison used the expression in one of his Scripture Songs, 1767, where he refers to  King David's swan-song .