Each state shall appoint, in such Manner as the Legislature thereof may direct, a Number of Electors, equal to the whole Number of Senators and Representatives to which the State may be entitled in the Congress: but no Senator or Representative, or Person holding an Office of Trust or Profit under the United States, shall be appointed an Elector. –Article II, section I,

US Constitution

What part of the executive branch process is being described here?

the formation of the Electoral College
the formation of the executive branch
the formation of the House of Representatives
the formation of the Senate