She picked up the box.

Meaning: This sentence describes a female person taking an object from a lower position and moving it to a higher position.

Choice of Words: She is a third-person singular pronoun that refers to a female person. Picked is the past tense of the verb "pick," which means to select or choose something. Up is an adverb that means to move or be in a higher position. Box is a noun that refers to a container with sides and a top, typically made of cardboard or wood.