Answer:
it means to show a certain/specific way
I would say that the answer is probably 3. Hope this helped!
-TTL
While Lady Crawford was in the hospital, she emailed Ms. White.
Lady Crawford, while in the hospital, emailed Ms. White.
While overseas on deployment, Tidus reported to his supervisor.
Tidus reported to his supervisor when overseas on deployment.
While Mariah was on vacation, Sarah offered to clean her apartment.
Sarah, while Mariah was on vacation, offered to clean her apartment.
Since Beth had lost her watch, she and Melissa were both late.
Melissa and Beth were both late, since Beth had lost her watch.
