Definition of "Update" :
noun: the act of bringing someone or something up to date
"The server update ran overnight."
noun: information or data that updates
"Do you have the latest software update?."
verb: modernize or bring up to date
"We updated the kitchen in the old house."
verb: bring to the latest state of technology or supply with the latest data
"Tonight, I will update my operating system."
verb: bring up to date; supply with recent information