The phrase that describes a transition is: "a change from one subject or stage to another."
The phrase that describes a transition is "a change from one subject or stage to another". To determine this, you can analyze the definitions provided for each option and identify the one that relates specifically to the concept of transitioning. In this case, option 1 describes a change from one subject or stage to another, which aligns with the idea of transition. The other options - a thought or understanding, a method used to manage work, and the flow of a person's thoughts - do not directly relate to the concept of transitioning.
