Group 1 analyse, verb consider in detail and subject to an analysis in order to discover essential features or meaning break down into components or essential features make a mathematical, chemical, or grammatical analysis of

expert, noun
a person with special knowledge or ability who performs skillfully

expert, adj
having or showing knowledge and skill and aptitude
of or relating to or requiring special knowledge to be understood

explicit, adj
precisely and clearly expressed or readily observable; leaving nothing to implication
explicit instructions
in accordance with fact or the primary meaning of a term

federal, noun
a member of the Union Army during the American Civil War
any federal law-enforcement officer

federal, adj
national; especially in reference to the government of the United States as distinct from that of its member units
the Federal Bureau of Investigation
of or relating to the central government of a federation
a federal district is one set aside as the seat of the national government
being of or having to do with the northern United States and those loyal to the Union during the American Civil War
characterized by or constituting a form of government in which power is divided between one central and several regional authorities
a federal system like that of the United States