Treatment or reception — how someone is treated or received; service provided to people (e.g., customers, guests).
来賓には特別な待遇が与えられた。
The guests received special treatment.
病院のスタッフの待遇に改善が必要だ。
The hospital staff's treatment/working conditions need improvement.
店の待遇が悪いと客足が遠のくことがある。
If a shop treats customers poorly, it may lose business.
Working conditions or compensation — salary, pay, and other employment conditions such as benefits and leave.
待遇の良い会社に転職したい。
I want to change jobs to a company with better compensation and benefits.
募集要項に給与や待遇が詳しく書かれている。
The job listing specifies salary and employment conditions in detail.
待遇面で労働組合と会社が交渉を行った。
The union and the company negotiated over employment conditions.