This is the 824th most frequent Japanese word.
マック
"マック" (Makku) is the Japanese abbreviation for "McDonald's."
Here, 'マック' is used as an abbreviation for 'McDonald's', commonly used in Japan to refer to the fast-food restaurant.
彼はランチにマックに行くと言った。
He said he would go to McDonald's for lunch.
In this usage, 'マック' represents an Apple Mac computer, a common shortened form to refer to the product in Japanese.
マックの新作パソコンが発表されたばかりだ。
The new Mac computer has just been announced.
This sentence explains how 'マック' has different meanings depending on the context, encompassing both McDonald's and Macintosh (Mac computers).