Final answer:
Rosa's plump figure glows with worry, indicating her visible anxiety or concern.
Step-by-step explanation:
In the given text, the phrase 'her plump figure glowed with worry' suggests that Rosa is visibly anxious or concerned. The use of the word 'glowed' indicates that her worry is quite noticeable and stands out. This could imply that something significant or troubling is happening that is causing her to appear worried. However, without further context or information, it is difficult to determine the exact reason behind Rosa's worry.