​介紹:
所有數字的原則和元素。雖然其它的數字可以通過減法來使自己減少，但單體不包含任一個數字，並保持穩定和堅定。」因此，作為一個數字，它是不可分割的。

Introduction:Principles and elements of all numbers. While others can diminish through subtraction, the digit 1 stands alone, not containing any other number, remaining stable and steadfast. Therefore, as a number, it is indivisible.

色彩:
數字 1 的代表色為紅色，選到紅色代表你的內心期待且渴望身邊所在乎的人與長官，能肯定你的實力與付出。

Color:Number 1's representative color is red. Choosing red signifies your inner expectations and desires for those who matter to you and your superiors. It affirms your strength and dedication.