Dude you actually have to post the pictures for us to answer the questions...
        
             
        
        
        
Answer:
I believe that the most important skill you could have as one would be communication. You might be one of the best out there, always friendly and helpful but without clear communication, you could easily mess something up or make any type of mistake really
Explanation:
Hope this helps :)
 
        
             
        
        
        
If this helps
A dominant chord is a major triad built on the fifth scale degree of either a major scale or a minor scale. Major triads consist of a root note, a major third, and a perfect fifth. ... A simple D major triad contains the notes D, F♯, and A. This chord becomes a dominant seventh chord (V7) by adding the note C.