Specific: Effective objectives clearly identify the object you seek to impact, along with the desired outcome. For example, "Increase sales conversion by at least 10%." 'Sales conversion' is the object, and 'increase by at least 10%' is the outcome.
Actionable: The best objective statement is a single, straightforward sentence without preambles, explanations, or qualifiers. They also don't have flowery or jargony language. Save the urge to inspire or inform for other areas of your brief like the 'Current Situation' section.
Verifiable: An objective is useless without some way to verify if you're making progress or when you’ve achieved it. Establishing quantifiable metrics is the best practice.