Here are the data structures with brief descriptions:

CLEPTON_abstract
CLEPTON_abstract_frontend
CLEPTON_admin
CLEPTON_basics
CLEPTON_cronjob
CLEPTON_database
CLEPTON_frontend
CLEPTON_handle
CLEPTON_logging
CLEPTON_login
CLEPTON_mailer
CLEPTON_order
CLEPTON_request
CLEPTON_secure
CLEPTON_securecms
CLEPTON_session
CLEPTON_template
CLEPTON_tfa
CLEPTON_tools
CLEPTON_wysiwyg_interface