Nuts and Bolts definition

Nuts and Bolts

Topics Nuts and Bolts Definition

WordNet

(1) Detailed practical information about how something works or how something can be accomplished

WiktionaryText

nuts and bolts

The basic, inner workings of something; the fundamentals or basics; that which makes something operate, on a basic level.

It's really not so hard, once you know the nuts and bolts of the editing process.