Answer: essentials

AnswerCrossword Clue
ESSENTIALSNUTS AND BOLTS
ESSENTIALSFirst principles.
ESSENTIALSBasic features.
ESSENTIALSFood and water, e.g.
ESSENTIALSFood, shelter, etc.
essentialsA thing that is absolutely necessary
essentialsThe fundamental elements or characteristics of something
essentialsESSENTIAL, something absolutely necessary