Final answer:
To know if you've reached your advertising objectives, define goals, break them down into actionable steps, and evaluate your progress.
Step-by-step explanation:
In order to know if you've reached your advertising objectives, you need to define your goals and objectives before starting your advertising campaign.
These goals should be measurable and motivational, meaning you need to establish criteria to measure your progress and determine when the goals are accomplished.
Once you have set your goals, break them down into actionable steps and create an action plan with a target date for each step.
By monitoring your progress and evaluating whether you have achieved your defined objectives, you can determine if you have reached your advertising objectives.