handover vs instruction

handover

noun
  • The information passed on in such a case. 

  • the process of transferring an ongoing call or data session from one channel connected to the core network to another channel. 

  • The transference of authority, control, power or knowledge from one agency to another, or from one state to another. 

  • The transfer of goods from the dealer to the purchaser, often of illegal goods. 

  • the process of transferring satellite control responsibility from one earth station to another without loss or interruption of service. 

instruction

noun
  • An instance of the information or knowledge so furnished. 

  • The act of instructing, teaching, or furnishing with information or knowledge. 

  • An order or command. 

  • A set of directions provided by a manufacturer for the users of a product or service. 

  • A single operation of a processor defined by an instruction set architecture. 

How often have the words handover and instruction occurred in a corpus of books? (source: Google Ngram Viewer )