An ecommerce brand on Klaviyo with $40.1M in total revenue across the period shown. The monthly bars on the chart run from about $2.8M to about $4.7M.

When total revenue is close to flat but owned channel revenue grows 28.2%, email and SMS are carrying a larger share of the business. At 44.74%, nearly half of revenue came through Klaviyo. For a brand at this size, that share is revenue that does not depend on paid media costs.
Calls are for stores doing $20k+ a month.