What does "external" mean?

Additional senses

1. 2.Outwardly perceptible; visible; physical or corporeal, as distinguished from mental or moral. Her virtues graced with external gifts. Shak.
2. 3.Not intrinsic nor essential; accidental; accompanying; superficial. The external circumstances are greatly different. Trench.
3. 4.Foreign; relating to or connected with foreign nations; as, external trade or commerce; the external relations of a state or kingdom.
4. 5.(Anat.) Away from the mesial plane of the body; lateral. External angles. (Geom.) See under Angle.
5. 6.Something external or without; outward part; that which makes a show, rather than that which is intrinsic; visible form; -- usually in the plural. Adam was then no less glorious in his externals South. God in externals could not place content. Pope.