verb, particle, punctuation, adjective · verbal suffix indicating motion down and towards the speaker, or the completion and fixing of an action

请把这个地址记下来。

verb · to descend or move downwards towards the speaker

你快从二楼下来吧。

verb, punctuation · indicates the continuation of a state or action from the past to the present

这个规矩一直沿袭下来。

verb · to be finished or concluded (referring to a period of time)

一整年下来，他都没请过假。

verb · to go among the masses or to the grassroots level to inspect or work (said of leaders)

上级领导下来视察工作了。

verb · to be harvested or become available for consumption (of crops)

新鲜的西瓜已经下来了。