This is the 6971st most frequent Turkish word.
cihan
World or universe.
Here, 'Cihan' is used as a proper name and refers to a person specifically.
Cihan büyük bir hediye aldı.
Cihan received a big gift.
In this sentence, 'cihan' means 'world' and is used to express the global or universal concept.
Cihanı dolaşmayı hayal ediyorum.
I dream of traveling the world.
Here, 'cihan' again refers to 'world,' used in the figurative sense to signify the entire human-inhabited space.