The process of identifying which objectives to accomplish,deciding how to accomplish those objectives with specific strategies and tactics,implementing the actions that make the plan come to life,and measuring how well the plan met the objectives is best known as which of the following?

A) Concepting.
B) Strategic planning.
C) Ideation.
D) Briefing.
E) Positioning.

The process described in the question is the essence of strategic planning, which involves analyzing the situation, setting goals and objectives, devising a plan of action, and measuring progress. Concepting, ideation, briefing, and positioning are all related to the process of advertising and marketing, but they do not capture the full scope of strategic planning.