The legal system in a country takes its cue from the legal family that it is a part of and its constitution. Not only do these two issues—legal families and constitutions—feed into the legal system of a particular country, but the legal system also feeds into these two issues forming a somewhat symbiotic relationship facilitating the structure of the legal system. The legal actors and the documents that they create provide the substance of the legal system.
To read in more detail, please see: https://www.law.cornell.edu/wex/legal_systems#:~:text=A%20legal%20system%20is%20the,legal%20system%20across%20the%20globe.
See also all terms classified under the category of “Law, policy, and regulation” in the lexicon and in the primer on public law and regulation.