This does clarify how they work, but I have to agree with the other posters that this is extraordinarily confusing and very inconvenient. I would love to be able to collect them all and spend an hour doing them on Saturday, as it is difficult for me to log in most week days. I would suggest switching them to each be a separate weekly, resetting on different days. The net effect would be almost identical, and it would help some of the more casual players get more than 1 or 2 done per week.
Or just make them weekly's that all reset on Tuesday. This would essentially give the same affect except not requiring people to log in everyday or on some particular day to get them.