I saw a movie.
Meaning: This means that the person watched one visual entertainment.
Choice of Words: I is the person speaking. Saw is a past tense form of the verb "to see" which indicates the act of perceiving something with the eyes. A is an indefinite article that refers to one thing. Movie is a type of visual entertainment. When you put them together, "I saw a movie" means that the person speaking perceived one visual entertainment with their eyes.
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Related Expressions