Here are a few World Building Questions I tend to ask myself when building a world, specifically a fantasy one. These questions can help you flesh out and get a good feel for the world you plan on placing your characters in. Enjoy!
Magic System:
What can the magic do?
What can the magic not do?
Is there a price or drawback for overusing and reaching the magic’s limitations?
Does the Magic require the use of external tools? (ex. wand, book knowledge, incantation of sorts, etc.)
Are there people who cannot perform magic?
Technology:
What are the various means of transportation?
Is there a time period in which you can compare the development of tech to?
Who regulates the use of the world’s tech?
Any specific laws or regulations concerning it?
What are some common everyday uses of this world’s tech?
Laws and Leadership:
Is there a high ranking official above everyone or a council?
How is this government structured, generally?
Who makes the War decisons?
Who lays the law of the land?
How are leaders appointed?
Any limitations of said leaders?
Are laws permanent?
Describe the military power.
Society:
Are there various social classes? If so, describe them.
What are the specific traits assigned to each social class? Signs of status?
What does common “everyday” clothes look like?
Geography and Climate:
Describe the seasons.
Describe the weather.
How important are weather patterns to this society? How are they affected by it?
Give a general description of the notable geographic features of this world.
Are there any tundras, deserts, mountains, lakes, or coastlines?
How are cities in these various climates different from each other?
Other:
What happens to the world/city’s sewage and waste?
Where do textiles and various materials come from?
Are there imports? If so, from where?