The five growth pillars are acquisition, activation, revenue, retention, and referral.
Let's talk about the five growth pillars and SaaS. When you look at them in growth pillars, they align with your customer journey map to acquisition as in acquiring customers activation, as in the onboarding process and delivering on the promise of your product.
Revenue, the upgrade, retention, which can also happen before revenue, but keeping those customers around or getting them to come back before upgrading if it's happening before revenue, and referral.
That can be referring people to your product, but it can also be an invite to users to your team.