Using the data you have on each of your contacts—such as when they open, click, and convert—and scheduling your emails to send when your contacts are mostly likely to engage with your email is the definition of what?

The answer is "Send time personalization"

Explanation:

Using the data you have on each of your contacts—such as when they open, click, and convert—and scheduling your emails to send when your contacts are mostly likely to engage with your email is the definition of "Send time personalization"

Send time personalization is the process of using the data you have on each of your contacts and then scheduling your emails to send at the time when each is most likely to engage with your email

b. xor is the correct answer

the correct answer is "part of speech" if the portion used is "verb, noun" there is another question similar to this with the same question but different portion. the other portion is "hand write" and the correct component for that question is "antonym".

hope this . : )