This is the 1436th most frequent Russian word.
законов
"Законов" is the genitive plural form of "законы," meaning "laws."
The word 'законов' here is the genitive plural form of 'закон' (law), used to describe the possessive relationship with 'различных' (various). This usage is common when discussing multiple items of a category.
В учебниках по праву разъясняются особенности различных законов.
In law textbooks, the peculiarities of various laws are explained.
In this sentence, 'законов' is again the genitive plural form of 'закон' (law), employed with 'соблюдение' (adherence), which typically requires the genitive case to indicate the objects being adhered to.
Соблюдение законов необходимо для гармоничного развития общества.
Adherence to laws is necessary for the harmonious development of society.
The usage of 'законов' in this sentence shows it in a genitive plural case, indicating 'laws' as the possessors of 'текстов' (texts). This expresses ownership or association.