'The shoulder' signifies all power. In Ezekiel 29:7, this signifies the power or faculty of understanding truth. 'To dwell between his shoulders,' as in Deuteronomy 33:12, signifies being in security and power.

(Reference: Arcana Coelestia 1085)

In Ezekiel 27:2, Tyre signifies people who possess spiritual and celestial riches. (Arcana Coelestia 425[2])

'Tyre,' as in Ezekiel 27:13-14, represents people with knowledge of celestial and spiritual things. (Arcana Coelestia 1154)

(Reference: Ezekiel 27:13, 27:14)