To everyone asking for timelines: Look at the spreadsheet linked in my signature. Thanks.
gotocanada - the email is in the FAQ linked in my signature. I'm pretty sure the one you have posted is correct, though. Email them first. Don't blindly send the original, especially if they haven't asked for it. Email them first, mark the subejct as URGENT, and if you don't hear back in a week then get your MP involved. I would be VERY wary of sending originals as you may not get it back, that's why they ask for copies.
flx - refers to files that were transferred from islamabad to London, or where the app "shoudl have" gone to Islamabad in the first place, mostly for PK applicants. (e.g., if the PA is PK and living in London, then it would be left as "standard" because it probably would have gone to London based on residency. HOwever if the PA is PK and living in PK then it would be counted as "from Islamabad" because the app normally would have gone to PK but instead was transferred to London.) The stats are split based on the location of the PA.