Definition of Instruction(s)

In the day to day life, Instructions can be understood as[1]:

• an order/ command/ something that someone tells you to do:
  • When I was a child I was given instructions not to open the door to strangers.
  • The soldier received instructions to return to the base.
  • I received an envelope from the authorities, with the instruction to open the letter immediately.

Source: https://pixabay.com/photos/military-training-instructor-662861/

Source: https://images.unsplash.com/photo-1478272798175-3e553cc43e67?ixlib=rb-1.2.1&ixid=eyJhcHBfaWQiOjEyMDd9&auto=format&fit=crop&w=750&q=80

• An advice/ information about how to do or use something:
  • The cooking book instructions say to fry it for two minutes on each side.
  • I found the Safety Instructions Card on the back of the chair in front of me
  • The doctor gave me instructions to take that pill only before going to bed.

Source: https://images.unsplash.com/photo-1534481016308-0fca71578ae5?ixlib=rb-1.2.1&ixid=eyJhcHBfaWQiOjEyMDd9&auto=format&fit=crop&w=750&q=80

• The act of teaching someone a particular subject/ skill:
  • This video provides instruction on how to operate the computer.
  • That course gives you the basic instruction in car repair.

In IT, Instructions mean a code that tells a computer how to do something: “Simple computer processors execute instructions one after the other.” [2]

[1] https://dictionary.cambridge.org/dictionary/english/instruction

[2] https://dictionary.cambridge.org/dictionary/english/instruction