This is the 6476th most frequent Japanese word.
セブン
"セブン" (sebun) means "seven" in English.
In this sentence, 'セブン' is used as a shorthand for the convenience store chain 'Seven-Eleven'.
昨日、私はセブンでお弁当を買いました。
Yesterday, I bought a boxed lunch at Seven-Eleven.
Here, 'セブン' refers to a name given to a sports car, indicating its brand or model.
セブンという名前のスポーツカーが街を走っています。
A sports car named 'Seven' is running in the city.
In this case, 'セブン' is associated with a type of card, likely related to the brand 'Seven-Eleven' or another concept including the word.