In this example I need to say

1. Choose a term or phrase to describe the type of writing at issue.

2. What's the social purposes that motivate writing

3. Comment on how the form and content of each passage are related to the various social situations.

With a love and respect For the completeness we shall gain as a couple and with the blessing of our parents we will be joined in marriage on Saturday, the seventh of August two thousand and two at one o'clock in the afternoon First Baptist Church Toronto, Ontario
you are invited to share this day of happy beginnings
Jennifer Patricia Weller
and
David Joseph Parker

What is this? Marriage invitation ? I need help please.

5 answers

It's formal writing. Yes, it's a wedding invitation.
What's social purpose ?
Weddings are happy social events enabling the guests to help celebrate the newly married couple.
I don't get 3 either
A wedding is a formal occasion, so the invitation is also formal.