1. A description of how you know either one of us (typically the person you knew first)...examples. I am a friend of XXX, I was a co-worker of XXX, I am the sister of XXX, etc. 2. A description of how you became aware of our relationship, when you met the other partner, activities we participated in together, etc. 3. More @Wikipedia
Hover over any link to get a description of the article. Please note that search keywords are sometimes hidden within the full article and don't appear in the description or title.