Boom's Taxonomy of Educational Objectives gives teachers the language in which to express what they want children to learn as a result of instruction.
Simply put, it is a classification of learning objectives. Some educators call them "higher order thinking skills". Whatever you choose to call them, they range from simple (lower) to complex (higher). Writing about Corn Dog Art images allows students to practice higher level thinking skills. Here is a chart so you may see how Corn Dog Art writing activities correspond to Bloom's classification of learning objectives.
When children make art, look at art and interpret art, they must use these skills.
Writing about Corn Dog Art images and videos allows students to practice higher level thinking skills.