The answer to your question is reflection theory
There are 5 main types of lines in art: vertical lines, horizontal lines, diagonal lines, zigzag lines, and curved lines. Other types of lines are simply variations of the five main ones. I believe this is what you’re asking but if you have anything else to ask let me know in the comments! Also apologizes for all the bot replies :)
Answer:
below
Explanation:
key signatures are important because they tell how how to play the music. For instance, in the key of C, it has no sharps or flats so you play all white keys. In the key of D, you have two sharps which are C and E. instead of playing the white notes for them you'd play the black.
