“积”这个字常常表示一点一点地存起来，比如钱、经验或者东西。

The character "积" often means to store up little by little, such as money, experience, or things.

我们常说“积累”“积极”，这些词里都有这个字。

We often say "积累" (accumulate) and "积极" (active), both containing this character.