Answer:
1. The smoothness of how something was executed.
"Her fluency on her speech was excellent."
2. No constraint on time.
"Whatever works for you. I'm flexible."
3. Something done with your own thoughts, not somebody else's.
"The originality of the artwork was extraordinary!"
4. The process of something being built.
"They elaborated on the idea of where the couch would go."
Explanation:
Hope this helps! All of the sentences are original also.
