Meaning: The dark areas became longer on the floor.
Choice of Words: Shadows: dark areas caused by blocking light; stretched: became longer; floor: surface you walk on.
Alternative Expressions
The shadows danced on the floor.
Meaning: This means that the shadows were moving around on the floor in a graceful way. It's like when you see shadows moving on the wall when the wind blows outside.
Choice of Words:Danced means to move around in a graceful way. On means located on top of something.
The shadows whispered secrets to the floor.
Meaning: This is a creative way of saying that the shadows were moving on the floor in a way that seemed like they were talking to each other. It's like when you imagine shadows as characters having a conversation.
Choice of Words:Whispered means to speak softly. Secrets are things that are not supposed to be told to others. To means towards or in the direction of.