Reference

Savers These functions write to a data repository as R objects (via save) or files (via write)
save_to_data_repository() save() write()	Save objects to a data repository
Paths The functions here define where the data repository can be found and create the ‘data’ directory and intermediates.
...	Load objects from a data repository
data_repository_init()	Create the data repository
data_repository_path()	Get path to the data repository of a project
find.package()	Find paths to loaded packages
save_to_data_repository() save() write()	Save objects to a data repository
system.file()	Get path to a saved file in a data repository
Loader These functions are used to load data from a ‘data’ directory using utils::data behind the scenes. I don’t know why it says the function is called ... it should be data()!
...	Load objects from a data repository