Standard Gems

Gem is a unit of functionality ranging from reading, transforming, writing and various other ad-hoc operations on data

Gem	Category	Description
	Source & Target	The set of gems that help with loading and saving data.
	Transform	The set of gems that help with transforming data.
	Join & Split	The set of gems that help with the process of merging or splitting dataframe(s) to create new dataframe(s)
	Custom	Set of gems that do not fall into the stereotypical buckets of gems.
	Subgraph	A gem that can contain many other gems within it.