The phrase "big step" means making a significant and important decision or taking a big action that can have a big impact on your life or a situation. Full definition
Some have fallen behind with clunky, outdated features, but some are taking big steps forward in optimizing their technology. (datingsitesreviews.com)
Important companies are taking big steps in order to allow big investors to trade with cryptocurrencies. (coinstaker.com)
It's unlikely that robot cars will become commercially available in 2013, but it's a certainty that they will take big steps forward. (canadianbusiness.com)