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.
extension - a mutually agreed delay in the date set for the completion of a job or payment of a debt; they applied for an extension of the loan. 1  delay, postponement, time lag, wait, hold - time during which some action is awaited; instant replay caused too long a delay; he ordered a hold in the action.