Elaborate Propracovaný Komplikovaný Podrobný Podrobně Rozpracovaný Spletitý Vybroušený

involving many carefully arranged parts or details; detailed and complicated in design and planning.

elaborate security precautions

synonyms: complicated, complex, intricate, involved, detailed, painstaking, careful, tortuous, convoluted, serpentine, Byzantine, Rube Goldberg; ornate, decorated, embellished, adorned, ornamented, fancy, fussy, busy, ostentatious, extravagant, showy, baroque, rococo, florid, fancy-schmancy

verb

develop or present (a theory, policy, or system) in detail.

the key idea of the book is expressed in the title and elaborated in the text.