Question

Which statement best explains the function of an e-mail subject line? The subject line is a friendly greeting. The subject line is a clever saying or logo. The subject line states the purpose or topic. The subject line establishes common ground.

Answer 1

The subject line states the purpose or topic

Answer 2

The right option is; The subject line states the purpose or topic.  

An email subject line is the part of the email that states the topic or purpose of the email. It is the part of an email that is firstly seen by the recipient, and it determines the response of the recipient. For an email subject line to be effective, it must be personalized, short, descriptive, intriguing and should create a sense of urgency.