How are the three branches of the goverment alike

The government is composed three branches namely: executive branch which constitute the President, cabinet members and heads of independent agencies; legislative branch which contains the two houses of Congress--  the Senate and the House of Representatives; and, the judicial branch which is comprised of the Supreme Court or judges, a chief justice  and eight associate justices.
These three branches aims to have a good government which imposes laws, reinforce them, and strictly abide them.