Meaning: This means that she was very imaginative and creative.
Choice of Words:Live means to exist. World is the planet that we live on.
Alternative Expressions
She lived in her own little world.
Meaning: This means that she was very self-centered and didn't really care about anyone else.
Choice of Words:She is a pronoun that refers to a female person. Lived is a verb that means to have a home in a particular place. In is a preposition that shows a place or position. Her is a possessive pronoun that means belonging to her. Own is an adjective that means belonging to or done by the person mentioned. Little is an adjective that means small in size or amount. World is a noun that refers to the earth or a place where people live.
She was lost in her own thoughts.
Meaning: This means that she was very distracted and wasn't really paying attention to what was going on around her.
Choice of Words:She is a pronoun that refers to a female person. Was is a verb that means to exist or to be in a particular state. Lost is an adjective that means unable to find one's way or direction. In is a preposition that shows a place or position. Her is a possessive pronoun that means belonging to her. Own is an adjective that means belonging to or done by the person mentioned. Thoughts is a noun that refers to the ideas and feelings that go through a person's mind.