C onsider this... earth tilts 23.5' on its axis causing a differentiation in the amount of solar energy striking various regions. Its orbit around the sun results in stronger and weaker concentrations of energy. Together, these movements impact weather and seasons. Does an invented world require the same degree of understanding? Though revolution and rotational elements of the invented world may not be shared through the story itself, understanding as the "creator" helps. What happens when it rains? Why does it rain? Is snow a variable? What about climate? Physical elements of created worlds build kingdoms and tear them down. They hold heroes back, or give antagonists advantage. A trek through the desert can be laborious. Deserts can lead to grasslands. Grasslands to forests. Progression of climates (hurrah for science class) offers relief after a long journey. What if the invented world is different from the known world? the "creator" should still take the t