noun something that is outside or exterior
adjective relating to or situated on the outside
In technology, 'external' can refer to external hard drives, external monitors, external connections, etc.
In business, 'external' can refer to external stakeholders, external partners, external audits, etc.
In anatomy, 'external' can refer to external organs, external body parts, external injuries, etc.
In environmental science, 'external' can refer to external factors affecting ecosystems, external pollutants, external influences on climate, etc.
In the context of a writer, 'external' may refer to sources or references outside of the writer's own work, such as external research or external quotes.
For a psychologist, 'external' could refer to external factors or influences outside of the individual's mind or behavior that may impact their mental health or well-being.