post
Definitions
A long, sturdy piece of timber or metal set upright in the ground to support something.
A single message or item of content published on a website or social media platform.
A position of employment or a station to which a person is assigned for duty.
Examples
I need to post this letter at the local office before they close.
She decided to post a photo of her vacation on social media.
The soldier stood guard at his post throughout the long, cold night.