nuts and bolts
pl.n. Slang
The basic working components or practical aspects: “ [proposing] lofty goals without specifying the nuts and bolts of how they are to be achieved” (Village Voice).

[TahlilGaran] American Dictionary ▲

nuts and bolts
nuts-and-bolts (ntsən-bōlts) adj.

[TahlilGaran] American Dictionary ▲

nuts and bolts
the basic, practical details of a job or other activity.
Law school teaches wonderful theory but it doesn't teach the nuts and bolts of actually practising law.
(often + of)

[TahlilGaran] English Idioms Dictionary ▲

nuts and bolts
the basic facts about something
The nuts and bolts of the housing loan were carefully discussed by the bank and their client.

[TahlilGaran] English Idioms Dictionary ▲