A Transition can be referred to as a word or phrase that connects ideas, sentences, and paragraphs to form something that is clear, concise and understandable.
In this context, the phrase, "Just as" shows the connection between how the frame of Vienna's tennis racket represents the structure of the family and how the strings of her racket symbolizes the ties that bind the family together.
correlation between grades and success in life. The only correlation found was between grades and academic success. In other words, for those who aspire to academic studies, scores predict success.