To speak the language of designers, stop talking about metrics and start talking about users

More often than not, these aren’t too far off from each other. 

For example, you might be talking about setting a goal of optimizing conversion rate on a registration page by X%. Said another way, what you’re trying to do is to remove the barriers that make it hard for users to sign up for your service. But see, the language here matters. Make it easier for users to sign up vs.