A graphic that provides information about the state of an assignment, resource, or task. For example, a check mark indicator shows that a task is completed.
— Computer Science1. In intelligence usage, an item of information which reflects the intention or capability of an adversary to adopt or reject a course of action. 2. In operations security usage, data derived from friendly detectable actions and open-source information that an adversary can interpret and piece together to reach conclusions or estimates of friendly intentions, capabilities, or activities. 3. In the context of assessment, a specific piece of information that infers the condition, state, or existence of something, and provides a reliable means to ascertain performance or effectiveness.
— USA Army