A simile is used to compare her voice to a "cool, dark room in summer- peaceful, soothing, quiet". This helps let readers know that she is most likely very nurturing, caring, and a definite "motherly figure"
The transition words I have used to alter the following paragraph are in CAPS.
Darius went to the store BECAUSE he wanted food. WHILE shopping, he ran into his teacher AND they talked about his latest project, WHICH he decided to base on gourmet cooking.
Aggressive, anxious, independent