| vital necessity(expression, condition, need, requirement, necessity) |
| basic needs(expression, condition, need, objective, requirement) |
| primary needs(expression, condition, need, requirement, necessity) |
| breath of life(expression, condition, need, requirement, necessity) |
| essential needs(expression, condition, need, requirement, necessity) |
| fundamental needs(expression, need, essential, requirement, necessity) |
| primary wants(expression, condition, need, requirement, necessity) |
| breath of one's life(expression, condition, need, requirement, necessity) |
| primal problem(expression, objective, requirement, goal) |
| core requirements(expression, essential, requirement, needs) |
| main purpose(expression, objective, requirement, goal) |
| main task(expression, objective, requirement, goal) |
| primary goal(expression, objective, requirement, goal) |
| primary objective(expression, objective, requirement, goal) |
| primary standards(expression, essential, requirement, needs) |
| prime objective(expression, objective, requirement, goal) |
| principal duties(expression, objective, requirement, goal) |
| principal purpose(expression, objective, requirement, goal) |
| salient requirements(expression, essential, requirement, needs) |
| basic objective(expression, objective, requirement, goal) |