at

From WikiWord, the free dictionary

English

Definitions

To reply to or talk to someone, either online or face-to-face. (from the practice of targeting a message or reply to someone online by writing @name)“Cars 2 is the most influential film of all time. Don't @ me.”

In, near, or in the general vicinity of a particular place.“Caesar was at Rome; at the corner of Fourth Street and Vine; at Jim’s house”
(indicating time) Indicating occurrence in an instant of time or a period of time relatively short in context or from the speaker's perspective.“at six o’clock; at closing time; at night.”
In the direction of (often in an unfocused or uncaring manner).“He threw the ball at me. He shouted at her.”
Denotes a price.“3 apples at 2¢ (each) The offer was at $30,000 before negotiations.”