display (a notice) in a public place

a curt notice had been posted on the door

publish (a piece of writing, image, or other item of content) online, typically on a blog or on social media

she posted a photo of herself with the singer on Twitter

I'll post an article next week revealing the results of the poll

she hadn't posted for a while

announce or publish (something, especially a financial result)

the company posted a £460,000 loss

(of a player or team) achieve or record (a particular score or result)

Smith and Lamb posted a century partnership

send (a letter or parcel) via the postal system

I've just been to post a letter

post off your order form today

(in bookkeeping) enter (an item) in a ledger

post the transaction in the second column

initial records kept in day books are periodically posted to accounts

travel with relays of horses

we posted in an open carriage

send (someone) to a place to take up an appointment

he was posted to Washington as military attaché