On relationship essay, I posted an answer in one of the threads for this:
http://www.canadavisa.com/canada-immigration-discussion-board/how-detail-should-our-spouse-sponsorship-applcation-be-t97849.0.html;msg1321308#msg1321308
let me just repeat it here:
hi, for us we did an essay type. for my hubby's (applicant) essay, he more or less talked about what we enjoy doing together, our plans and dreams, how he thinks we are meant to be... for my essay (sponsor) i basically summarized our rel'p from start to present from my point of view. it may seem like it is the same as the "dev't of relationship" but for that section it dealt with facts like activities we did, trips, ocasions, etc. . For my essay it was more subjective.. i divided it into sections like meetin him for the first time (how i saw him that time), dating phase (why and how i fell in love with him) , getting engaged, why i feel he was the one for me, rel'p issues we had (me converting to his religion), married life ( things we enjoy doing) i also talked about my first meeting with his parents, our dreams and plans for the future, i even wrote there the number of kids we want and their names ! lol ..in short it was a more personal view on the development of relationship.. i read much on the Canlii website (appeal cases) and I have come to know from there that VO's do really look into and give weight to how well you and your spouse know each other's personal details, attitudes, daily routine, future plans, etc. in assessing the genuineness of your relationship , so it really helps that you talk about those stuff .
Client id- if you are the applicant, you do not have this yet. Leave it blank, coz u will be getting this I think upon sponsor approval.
National Identity doc- Leave this blank, we don't have one in the Phils.