Which type of shape is devoid edges but is enclosed within other shapes?

Which is a good guideline to follow when evaluating art

Need asap ! 1. someone at a party has just told a joke, and the photo shows a guest laughing uproariously with his head back, eyes closed, and mouth open. 2. photo of collection of vintage corvette convertibles at an automobile show. stock photography 3. photo of a mosquito filling the entire frame of the photo. 4. photo of the quilt-like appearance of grain fields taken during a ride in a hot-air balloon. 5. photo of the pollution of discarded cans, bottles, and other waste on a beach. 6. photo of the eiffel tower in paris, france. environmental photography aerial photography macro photography documentary photography stock photography candid photography

Match the description to the word. 1. aabb rhyme satirizing someone assonance 2. addressed to something nonliving or nonhuman clerihew 3. part for whole; whole for part personification 4. repetition of vowel sounds in accented syllables sonnet 5. anapestic comic verse form alliteration 6. fourteen lines of iambic pentameter limerick 7. repetition of initial sounds metonymy 8. repetition of final consonant sounds in accented syllables apostrophe 9. three stanzas and an envoy consonance 10. human attributes applied to something nonhuman ballade