Noun
(computing) A programming system in which small constructs (macros) represent groups of machine instructions.
The larger cultural system in which an individual lives.
Any large-scale system.
Source: en.wiktionary.orgThe four systems are microsystem, mesosystem, exosystem, and macrosystem. Source: Internet
The macrosystem is broader taking into account social economic status, culture, beliefs, customs and morals (example: a child from a wealthier family sees a peer from a less wealthy family as inferior for that reason). Source: Internet