依 depend on

What clothes I wear depends on what kind of person I am.

depend ★★★☆☆ NP
依 (depend on) + 存 (be aware of) = 依存 (depend)

to depend on- usually in a bad way, like "America's dependency on foreign oil"

commission ★★☆☆☆
依 (depend on) + 頼 (ask a favor) = 依頼 (commission)

a request or commission. Not like 'Please pass the salt,' but like 'I'd like to hire you to make a custom suit' or to hire a lawyer or PR firm. Any relationship where you'd use the phrase "The client wants. . ... "is 依頼。

client ★☆☆☆☆ NP
依頼 (commission) + 人 (person) = 依頼人 (client)