"To explore the environment" means to investigate and learn about the surrounding world or the natural surroundings around us by observing, experiencing, and discovering new things. Full definition
There's a particularly satisfying feeling to exploring the environments in first - person view while finding all the ways to sneak upon (or past) your enemies. (wccftech.com)
Never leave small objects within an infant's reach, infants explore their environment by putting everything they can get their hands on into their mouth. (medlineplus.gov)
This means we can track richer and more complex player behaviours such as the action of turning the head around while exploring an environment. (bafta.org)