
To be announced (TBA), to be confirmed (TBC), and to be determined (TBD) are placeholder terms used very broadly to indicate that although something is scheduled or expected to happen, a particular aspect of that thing remains to be arranged. Although the phrases are often used interchangeably, they have subtle differences. `To be announced` imp.....
Found on
http://en.wikipedia.org/wiki/To_be_announced

Is the generic forward market for mortgage backed securities. A coupon, par quantity, agency, maturity and coupon characteristics are indicated but the exact details, such as specific pools, are to be formalized at a later time. This subsequent specification is to be done within the rules governing deliveries.
Found on
http://www.oasismanagement.com/glossary/
No exact match found.