Answer:
the action you want someone to take at each stage of your marketing campaign
Explanation:
Call to action means any action in order to cause an immediate response, this response can vary depending on the situation.
Call to action is generally an instruction given to the consumers in order to generate an immediate response. Call now, find out more, visit a store today are some of the examples of Call to action activities.
Every action a person takes at any stage of a marketing campaign needs to have an immediate response.
Hence, call to action is the action you want someone to take at each stage of your marketing campaign.