How do you get bigger arms with bicep curls?

A question posed to me “How do you get bigger arms with bicep curls? Well Bicep curls wouldn’t be my go to exercise to get bigger arm or even biceps as my muscle part for bigger arms as tricep have three parts of the upper arm and biceps only two. So for bigger arms I would focus more on my triceps for bigger arms. But the question is bigger arms doing bicep curls? Well time under tension or negative work and lifting heavy with good form while doing bicep curls would most effect way to building bigger arms while doing bicep curls ? Christian