Debbie Boone in 1977 for the movie of the same name. http://en.wikipedia.org/wiki/You_Light_U... You Light Up My Life was a song written by Joseph Brooks and performed by Kasey Cisyk. Source(s): http://en.wikipedia.org/wiki/You_Light_U...
Brand Extension Definition: The Brand Extension is the marketing strategy wherein a new product is launched under the existing brand name. The category in which product is launched may be related or unrelated to the brandâs current category.
What is the definition of the word extension? The term 'extension' is defined as to enlarge, prolong, or continue. If one was to receive an extension on a term paper, one would be given more time to complete it.