While task notes are quite good, often you'll need to break a task out and discuss is in another forum such as Yammer.  As such, it would be great if you could assign a code to a task.

For example, if you had a task list entitled "Build New Forum" and task "Discussion Creation", it could be assigned a job code like BNF1.  Then when we break a discussion out from Zoho into Yammer, we could tag the conversation #BNF1 and know which task this belongs.  Obviously you'd need to be able to reverse this as well via a URL ( https://projects.zoho.com/portal/company#BNF1) or the ability to search for those codes.