This volume investigates the hypothesis that the functional structure of sentences and nominal phrases is universal and highly articulated. Guglielmo Cinque, a prominent linguist, utilizes cross-linguistic data to propose a detailed hierarchy of functional projections. The work argues that the order of functional elements within Determiner Phrases (DPs) and Inflection Phrases (IPs) follows a rigid, cross-linguistically consistent sequence, providing a foundational framework for comparative syntactic analysis.

Linguists and syntactic researchers frequently cite this work as a seminal text in the cartographic approach to grammar. Experts highlight the density of the technical prose, noting that it serves as a rigorous reference for advanced students and scholars of generative syntax.