if you believe that learning occurs spontaneously, and that the best learning occurs when children interact with materials and people in their environment, you are looking at learning as a PROCESS.
Learning is a process in which chidren interact with the enviroment. According to Vygotsky children have a better cognitive development, when they interact with the sociocultural context. Vygotsky states that children develop their learning spontaneously when they have a social interaction.
When children share different experiences with others it help them to facilitate learning.
This answer was based on the article "Teorias del Aprendizaje" by Ariel Severo, May 2012.