Of the greatest importance
English: all-important(a), all important(p), crucial, essential, of the essence(p)
essentialEnglish
essential, all-important(a), all important(p), crucial, indispensable
Adjective
Absolutely necessary, vitally necessary
English: essential, indispensable
Defining rights and duties as opposed to giving the rules by which rights and duties are established
English: substantive, essential
Bahasa: esensial, substantif
Noun
Anything indispensable
English: necessity, essential, requirement, requisite, necessary
Bahasa: perlu, kebutuhan, syarat, keperluan, kemestian, mustahak