instruction

noun

1. (uncountable)The act of instructing, teaching, or providing with information or knowledge.

   “Students receive instruction in the arts and sciences.”

   “Instruction will be provided on how to handle difficult customers.”

   “Anstruther laughed good-naturedly. “[…] I shall take out half a dozen intelligent maistries from our Press and get them to give our villagers instruction when they begin work and when they are in the fields.””

2. (countable)An instance of the information or knowledge so furnished.

   “If my instructions may be your guide.”

3. (countable)An order or command.

   “Thus, when he drew up instructions in lawyer language, he expressed the important words by an initial, a medial, or a final consonant, and made scratches for all the words between; his clerks, however, understood him very well.”

4. (countable, in-plural, uncountable)A set of directions provided by a manufacturer for the users of a product or service.
5. (countable, in-plural, uncountable)The directions given by a client to their lawyer in relation to a particular legal matter, which govern the purpose and scope of their work.

   “I cannot act until I have taken instructions from my client.”

6. (countable, uncountable)A single operation of a processor defined by an instruction set architecture.