Please explain to me the difference between tsar, emperor, Крал, sultan, king, caesar or any other ruler title

hi! at the risk of just making things more confusing, you may be interested in a few previous posts asking for definitions of & differentiation between royal titles

Where did the terms for rulers come from, like King Emperor, and Monarch for example.
Is there a difference between an Empire and a Kingdom?
What's the difference between an emperor and a king?
Who were Emperors and who were Kings?
Are "king" and "sultan" completely analogous titles? How would a high medieval king differ differ from a sultan of the time?
Why did many rulers take a variation of the title "Caesar" such as "Kaiser", "Tsar" rather than the higher title of Augustus?
How did the Czar of Russia become second only to God in the eyes of the Russians?
Why do we use prince as a word for the son of a king but also kind of synonymous with king?
Russian Princes