General:
* Essentials: This emphasizes the necessary nature of these things.
* Must-haves: This highlights the importance and desirability of having them.
* Non-negotiables: This implies that they are absolute requirements, leaving no room for compromise.
* Priorites: This focuses on the order of importance and what should be done first.
More specific:
* Obligations: For things you are required to do by law, duty, or agreement.
* Responsibilities: For things you are expected to do because of your role or position.
* Necessities: For things that are crucial for survival or well-being.
* Requirements: For things that are stipulated or mandated by a rule or authority.
The best word will depend on the specific situation and what you want to emphasize.