"One's word choice" refers to the specific words that someone uses when speaking or writing. It means how we select and express our ideas through the words we use. Full definition
The essay writing worksheets I have available for download will encourage students to focus on word choice and provide an opportunity to practice outlining and composing short essays. (sadlier.com)
Also, personal reading, and lots of it, expands student awareness of word choice in reading and writing. (ascd.org)
This, coupled with word choice, will get you closer to your next job. (thebalance.com)