Regular License
A regular license allows an item to be used in one project
for either personal or commercial use by you or on behalf
of a client. The item cannot be offered for resale either
on its own or as part of a project. Distribution of source
files is not permitted.
Extended License
An extended license allows an item to be used in unlimited
projects for either personal or commercial use. The item
cannot be offered for resale "as-is". It is allowed to
distribute/sublicense the source files as part of a larger
project.