Swings moved back and forth smoothly.

Meaning: This sentence describes swings that are moving back and forth smoothly.

Choice of Words: Swings are a type of playground equipment that allows children to sit and move back and forth. Moved means to change position or location. Back means to the rear or opposite of a forward direction. And is a conjunction used to connect words, phrases, or clauses. Forth means forward or onward. Smoothly means without any problems or difficulties.

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