Meaning: This means she imagined herself flying through the stars in her sleep.
Choice of Words: Dreamed means to have thoughts or images in your mind while sleeping, flying means to move through the air, and stars are objects in the sky.
Alternative Expressions
She dreamt of flying amongst stars.
Meaning: This means the same as the first sentence, that she imagined herself flying through space, surrounded by stars.
Choice of Words:She is the subject of the sentence, referring to a female person. Dreamt is a past tense verb that means to have thoughts and images in your mind while sleeping. Of is a preposition that means thinking about something. Flying is a present participle verb that means moving through the air with wings. Amongst is a preposition that means in the middle of or surrounded by something. Stars are celestial bodies that emit light and heat from nuclear fusion reactions. When you put them together, "She dreamt of flying amongst stars" means that she had thoughts and images in her mind while sleeping about moving through the air with wings in the middle of or surrounded by celestial bodies that emit light and heat from nuclear fusion reactions.
She dreamed of soaring through the cosmos.
Meaning: This means that she imagined herself flying through space, but it uses different words to describe the same idea.
Choice of Words:She is the subject of the sentence, referring to a female person. Dreamed is a past tense verb that means to have thoughts and images in your mind while sleeping. Of is a preposition that means thinking about something. Soaring is a present participle verb that means to fly high in the sky. Through is a preposition that means moving from one side of something to the other. The cosmos is a term that refers to the universe, including all of space and time. When you put them together, "She dreamed of soaring through the cosmos" means that she had thoughts and images in her mind while sleeping about flying high in the sky through the universe, including all of space and time.