Timeliness, quality, completeness, relevance, and understandability are characteristics of useful information.

Timeliness

The quality of occurring at a favorable or appropriate time, especially with reference to the importance of time in the fulfillment of tasks or objectives.

Understandability

The extent to which information can be comprehended or grasped by a person with average knowledge of the subject.

Completeness

The state of having all necessary parts, elements, or steps; often relates to the thoroughness and comprehensiveness of information or processes.