Answer:
A connotative meaning is based on the emotions associated with a word, while a denotative meaning is based on a specific dictionary meaning. Hope this helps :).
Babysitters is the plural form of Babysitter, of that is what you were referring to.
A prince struggles to decide whether to kill the man who murdered his father
I would think a unit of speech is the word...word. Letters make up a word. One word is not a sentence.
In Frankfurt, Germany in an attic