In case the short description is not enough, the description section provides room for more detailed information about the objective.

Describe the (high-level) deliverables (aka output) required to achieve the outcomeYou may run the 5-whys to dig deeper.

List key results to measure the level of success in accomplish the objective. The completion of all key results must result in the achievment of the objective.

Check to pair key results to aim at quality and quantity to make sustainable progress.

Key results added as child documents are automatically listed.

Provide a check-in for each interval within a cycle.

Check-ins added as child documents are automatically listed.

List objectives that are related to get in touch with the owners to solve problems or discuss opportunities.

All objectives of the same type are automatically listed.

List all objectives that support Add a reference to an objective this objective exends or continues with. All objectives that declare this objective as their logical parent are automatically listedThis makes it easier to access related information.

The list of previous objectives is automatically rendered.

This is one way of keeping track of objectives from the past that will be worked on in this cycle. Another option is to delegate to a previous objective. Both techniques can be combined.

In case you need to organize objectives in a hierarchy then add additional objectives as children to this objective. Subordinate objectives will then be automatically listed.

Since objectives are typically short lived, there is probably no need to organize them for one OKR cycle in this way.