"You use at least to say that a number or amount is the smallest that is possible or likely and that the actual number or amount may be greater."https://www.collinsdictionary.com/dictionary/english/at-leastAny car can carry at least 1 person.
You must design an icon for a save function that can be easily understood by anyone in the future. What does that icon look like to you?
"You use at least to say that a number or amount is the smallest that is possible or likely and that the actual number or amount may be greater."
https://www.collinsdictionary.com/dictionary/english/at-least
Any car can carry at least 1 person.