the word post has several meanings. the following sentences illustrate them:
please post the letter.
post the item to the inventory list
tie the rope to the post.
You can post a question to the internet about how to use it in a sentence.
Yesterday I went to the post office to get some stamps.
There was a time when Mesopotamia was a trading post.
The government passed an ex post facto law that made an action illegal after it had already been committed, creating a situation where people were being punished for actions that were legal at the time they were carried out.
It would dissatisfy me greatly if you were not to use this post.
Aquiring the command post was of upmost imperativeness.
There are many post doctoral fellows in our school.
*postmortem*"the postmortem of the man was unbearable."
the post-industrial age of America was vast.
As a noun: Once you sink the post, I'll put the house number on it. As a verb: I'm waiting for them to post the dates for the concerts.
I went down to the post office to deliver my envolope.
Our bird goes wheels up at one o'clock- that's one o'clock post meridian.