Vanilla Sky plays upon the theme of what constitutes reality, and poses it's central character with a choice. Does he want to live in a virtual reality in which everything is perfect, and every sky is a Vanillia Sky out of a Monet painting.
Yes, pencil is a noun, a singular, common, concrete noun; a word for a writing tool; a word for a thing. Nouns are words for people, places or things. 11 people found this useful.
Small brushes formerly used for writing before modern lead or chalk pencils; meaning graphite writing implement apparently evolved late 16c. Derogatory slang pencil-pusher office worker is from 1881; pencil neck weak person first recorded 1973. To pencil (something) in arrange tentatively is attested from 1942.