basic need

• survivalRemaining alive against odds
• foodConsumable nourishment source
• waterClear essential liquid
• shelterProtected place or structure
• warmthHeat you feel

hunger · thirst · clothing · sleep · rest · safety · security · air · oxygen · breath · instinct · primal · essential · vital · necessity · sustenance · nourishment · protection

• Non-negotiablesdealbreaker, must-have, bottom line, red line, hard limit
• dispositionsdisposition, predisposition, inclination, tendency, propensity
• requirementsrequirement, requirements, prerequisite, requisite, requisites