How shape is used to create a sense of unity in the portrait of Pablo Picasso.

Throughout the painting, Picasso uses triadic design—implied triangular shapes—as well as obvious triangular shapes, to create both movement and unity.

c. gabriele was a catholic priest while also being a composer.

your word would be isle.

isle is an island or peninsula especially a small one.

if you add the letter "a" you get aisle, which is a passage between 2 rows of something like chairs, shelves, or something else.