In this English vocabulary lesson, learn how to use "to update" and "an update" fluently and naturally. Both "to update" and "an update" have the same meaning. They're used to ask for the most recent information available. "To update" and "an update" are used differently in sentence structure. "To update" is a verb and "an update" is a noun. Because "an update" is a noun, you still need a verb to complete the sentence. You'll also learn how to use the common expression "to keep someone updated".