undifferentiated marketing. Undifferentiated marketing is a strategy in which market segments differences are ignored and one product or service is offered to the entire market.
The Secretary of State, Secretary of the Treasury, Secretary of Defense, Secretary of Interior, Secretary of Agriculture, Secretary of Commerce, etc. are cabinet level positions in the president's cabinet. There are currently 15.
In other words, if the president, vice president, speaker, and president pro temopre were all incapacitated by death, resignation, or impeachment, the Cabinet members would ascend to the Office of President in a predetermined order. The order of the departments, and the roles of the secretaries of each department, is as follows: