RichThesaurus
nuts and bolts
nuts and bolts
synonyms
nitty-gritty
heart
brass tacks
meat
nub
bottom line
core
basics
gist
point
fundamentals
substance
essentials
name of the game
marrow
essence
stuff
pith
kernel
quintessence
significance
import
crux
drift
sense
score
purport
ABC
rudiments
plan
understanding
thrust
burden
matter
basis
bedrock
acceptation
tenor
soul
punch line
signification
significancy
intendment
first principles
idea
groundwork
nucleus
foundation
design
sine qua non
nuts and bolts
definitions
noun
The basic inner workings of something; the fundamentals; that which makes something operate.