General:
* Essentials: This is a common and straightforward term.
* Necessities: This is another common and direct term.
* Fundamentals: This emphasizes the basic, underlying things.
* Requirements: This highlights what is needed for something to exist or function.
* Prerequisites: This emphasizes what is needed before something else can happen.
More Specific:
* Survival needs: This specifically focuses on things required for basic survival.
* Basic necessities: This emphasizes the most fundamental things needed.
* Essential supplies: This focuses on things that are tangible and useful.
* Vital resources: This emphasizes the importance of these things.
The best word for you will depend on the specific context.