Uptight means: angry, stressed, sassy.
Well, that sentence was a type of : Declarative sentence.
Declarative sentence is usually used to relay information or ideas. In this sentence you can see that it give some more detailed information about the painting.
hope this helps
Over the past three years, Marcus has accumulated a sufficient amount of bird bones.
<span>The interaction at the streetcar conductorette changes in Angelou’s view upon understanding that they are both the victims of racism and discriminatory action in their lives, which allows for a more united and clear understanding of what both parties are undergoing in their respective struggles.</span>