instruction Definition

1. A direction, order or command.

Example: She's always issuing instructions
Form: instructions (often)
2. Teaching; the act or process of instructing.

Thesaurus: guidance, direction, preparation, education, tutelage, coaching.
3. computing.
An element in a computer program or language, consisting of a coded command, that activates a specific operation.
4. A set of detailed guidelines, eg on how to operate a machine or piece of equipment.

Example: Read the instructions before you use it
Thesaurus: directions, rules, guidance, handbook, manual, information, key.
Form: instructions
5. law.
The information, details, etc of a case, given to a lawyer.
Example: I have not yet taken instructions from my client or his solicitor
Form: instructions