Title of Collection: The title you specified as "Display Title", eg. "Collection for Awesome Works".
Collection Name: The name you specified in "Collection Name", eg. "awesome_works"
Link: The URL of your Collection's main page.
Type: Choose as many as appropriate, or specify another of this ilk: challenge, gift exchange, fest, promptathon, big bang, bingo, collection of like works
Status: closed - no blind submissions, open - anyone can submit/participate
Fandom(s): Multifandom, or specify particular fandoms if it's restricted.
Description: Paste the same description here as you provided in the "Brief Description" field.
Why are you promoting? To gain more participants, to encourage people to add more works, to seek wider readership.