Do all chainrings fit all cranks? How do I know what size crankset to buy?

Do all chainrings fit all cranks? How do I know what size crankset to buy?

#BicycleGearsAyoub Rhejjou
When it comes to chainrings and cranksets, the answer to whether all chainrings fit all cranks is no. Chainrings and cranksets come in different...