According to the text, great goals should be specific, timely, measurable, referred to, and explained.

Great Goals

Objectives that are ambitious, clear, and challenging, yet achievable, and that motivate individuals or teams to perform at their highest levels.

Specific

Clearly defined or identified; precise or particular in nature.

Timely

Occurring at a suitable or opportune moment, often with the implication of being precisely timed for its purpose.