Halliday & Matthiessen (2014: 451-2, 453):
Parataxis and hypotaxis are general relationships that are the same throughout the grammar: they define complexes at any rank (clause complex, group or phrase complex, word complex; in addition hypotaxis defines the logical organisation of groups. (In contrast, multivariate structures differ from one grammatical unit to another.) The distinctive properties and patterns of realisation of parataxis and hypotaxis are summarised in Table 7-7.
