Answer:
Truncated sentences
Truncated sentences are often referred to as short sentences, but there is a difference between short sentences and truncated sentences.
The theme is basically what is talked about in tje story
Yes this sentence is using the semicolon correctly
Penelope does not recognize Odysseus when he is in his beggar's costume. This is shown through him entering and being in her house, begging, but despite looking at him in the face, she does not know who he is. She references to him as "the stranger" a lot when he appears as a beggar, and seeing as she's been grieving heavily for him, if she were to know it was him, she would go wild.